28486458

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 92897280

約数和(自身を除く): 64410822

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 17, 18, 21, 22, 26, 27, 31, 33, 34, 39, 42, 51, 54, 62, 63, 66, 77, 78, 91, 93, 99, 102, 117, 119, 126, 143, 153, 154, 182, 186, 187, 189, 198, 217, 221, 231, 234, 238, 273, 279, 286, 297, 306, 341, 351, 357, 374, 378, 403, 429, 434, 442, 459, 462, 527, 546, 558, 561, 594, 651, 663, 682, 693, 702, 714, 806, 819, 837, 858, 918, 1001, 1023, 1054, 1071, 1122, 1209, 1287, 1302, 1309, 1326, 1386, 1547, 1581, 1638, 1674, 1683, 1953, 1989, 2002, 2046, 2079, 2142, 2387, 2418, 2431, 2457, 2574, 2618, 2821, 3003, 3069, 3094, 3162, 3213, 3366, 3627, 3689, 3861, 3906, 3927, 3978, 4158, 4433, 4641, 4743, 4774, 4862, 4914, 5049, 5642, 5797, 5859, 5967, 6006, 6138, 6426, 6851, 7161, 7254, 7293, 7378, 7722, 7854, 8463, 8866, 9009, 9207, 9282, 9486, 10098, 10881, 11067, 11594, 11718, 11781, 11934, 13299, 13702, 13923, 14229, 14322, 14586, 16926, 17017, 17391, 18018, 18414, 20553, 21483, 21762, 21879, 22134, 23562, 25389, 26598, 27027, 27846, 28458, 31031, 33201, 34034, 34782, 35343, 39897, 40579, 41106, 41769, 42966, 43758, 47957, 50778, 51051, 52173, 54054, 61659, 62062, 64449, 65637, 66402, 70686, 75361, 76167, 79794, 81158, 83538, 93093, 95914, 99603, 102102, 104346, 119691, 121737, 123318, 128898, 131274, 143871, 150722, 152334, 153153, 156519, 184977, 186186, 199206, 226083, 239382, 243474, 279279, 287742, 306306, 313038, 365211, 369954, 431613, 452166, 459459, 527527, 558558, 678249, 730422, 837837, 863226, 918918, 1055054, 1095633, 1294839, 1356498, 1582581, 1675674, 2034747, 2191266, 2589678, 3165162, 4069494, 4747743, 9495486, 14243229, 28486458]

約数ペア:

[(1, 28486458), (2, 14243229), (3, 9495486), (6, 4747743), (7, 4069494), (9, 3165162), (11, 2589678), (13, 2191266), (14, 2034747), (17, 1675674), (18, 1582581), (21, 1356498), (22, 1294839), (26, 1095633), (27, 1055054), (31, 918918), (33, 863226), (34, 837837), (39, 730422), (42, 678249), (51, 558558), (54, 527527), (62, 459459), (63, 452166), (66, 431613), (77, 369954), (78, 365211), (91, 313038), (93, 306306), (99, 287742), (102, 279279), (117, 243474), (119, 239382), (126, 226083), (143, 199206), (153, 186186), (154, 184977), (182, 156519), (186, 153153), (187, 152334), (189, 150722), (198, 143871), (217, 131274), (221, 128898), (231, 123318), (234, 121737), (238, 119691), (273, 104346), (279, 102102), (286, 99603), (297, 95914), (306, 93093), (341, 83538), (351, 81158), (357, 79794), (374, 76167), (378, 75361), (403, 70686), (429, 66402), (434, 65637), (442, 64449), (459, 62062), (462, 61659), (527, 54054), (546, 52173), (558, 51051), (561, 50778), (594, 47957), (651, 43758), (663, 42966), (682, 41769), (693, 41106), (702, 40579), (714, 39897), (806, 35343), (819, 34782), (837, 34034), (858, 33201), (918, 31031), (1001, 28458), (1023, 27846), (1054, 27027), (1071, 26598), (1122, 25389), (1209, 23562), (1287, 22134), (1302, 21879), (1309, 21762), (1326, 21483), (1386, 20553), (1547, 18414), (1581, 18018), (1638, 17391), (1674, 17017), (1683, 16926), (1953, 14586), (1989, 14322), (2002, 14229), (2046, 13923), (2079, 13702), (2142, 13299), (2387, 11934), (2418, 11781), (2431, 11718), (2457, 11594), (2574, 11067), (2618, 10881), (2821, 10098), (3003, 9486), (3069, 9282), (3094, 9207), (3162, 9009), (3213, 8866), (3366, 8463), (3627, 7854), (3689, 7722), (3861, 7378), (3906, 7293), (3927, 7254), (3978, 7161), (4158, 6851), (4433, 6426), (4641, 6138), (4743, 6006), (4774, 5967), (4862, 5859), (4914, 5797), (5049, 5642)]