427398426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 192

約数和(自身を含む): 1241210880

約数和(自身を除く): 813812454

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 31, 38, 39, 42, 57, 62, 63, 78, 91, 93, 114, 117, 126, 133, 171, 182, 186, 217, 234, 247, 266, 273, 279, 342, 399, 403, 434, 443, 494, 546, 558, 589, 651, 741, 798, 806, 819, 886, 1178, 1197, 1209, 1302, 1329, 1482, 1638, 1729, 1767, 1953, 2223, 2394, 2418, 2658, 2821, 3101, 3458, 3534, 3627, 3906, 3987, 4123, 4446, 5187, 5301, 5642, 5759, 6202, 7254, 7657, 7974, 8246, 8417, 8463, 9303, 10374, 10602, 11518, 12369, 13733, 15314, 15561, 16834, 16926, 17277, 18606, 22971, 24738, 25251, 25389, 27466, 27909, 31122, 34554, 37107, 40313, 41199, 45942, 50502, 50778, 51831, 53599, 55818, 58919, 68913, 74214, 75753, 80626, 82398, 96131, 103662, 107198, 109421, 117838, 120939, 123597, 137826, 151506, 160797, 176757, 178529, 192262, 218842, 241878, 247194, 260927, 288393, 321594, 328263, 353514, 357058, 362817, 482391, 521854, 530271, 535587, 576786, 656526, 725634, 765947, 782781, 865179, 964782, 984789, 1060542, 1071174, 1249703, 1531894, 1565562, 1606761, 1730358, 1826489, 1969578, 2297841, 2348343, 2499406, 3213522, 3392051, 3652978, 3749109, 4595682, 4696686, 5479467, 6784102, 6893523, 7498218, 10176153, 10958934, 11247327, 13787046, 16438401, 20352306, 22494654, 23744357, 30528459, 32876802, 47488714, 61056918, 71233071, 142466142, 213699213, 427398426]

約数ペア:

[(1, 427398426), (2, 213699213), (3, 142466142), (6, 71233071), (7, 61056918), (9, 47488714), (13, 32876802), (14, 30528459), (18, 23744357), (19, 22494654), (21, 20352306), (26, 16438401), (31, 13787046), (38, 11247327), (39, 10958934), (42, 10176153), (57, 7498218), (62, 6893523), (63, 6784102), (78, 5479467), (91, 4696686), (93, 4595682), (114, 3749109), (117, 3652978), (126, 3392051), (133, 3213522), (171, 2499406), (182, 2348343), (186, 2297841), (217, 1969578), (234, 1826489), (247, 1730358), (266, 1606761), (273, 1565562), (279, 1531894), (342, 1249703), (399, 1071174), (403, 1060542), (434, 984789), (443, 964782), (494, 865179), (546, 782781), (558, 765947), (589, 725634), (651, 656526), (741, 576786), (798, 535587), (806, 530271), (819, 521854), (886, 482391), (1178, 362817), (1197, 357058), (1209, 353514), (1302, 328263), (1329, 321594), (1482, 288393), (1638, 260927), (1729, 247194), (1767, 241878), (1953, 218842), (2223, 192262), (2394, 178529), (2418, 176757), (2658, 160797), (2821, 151506), (3101, 137826), (3458, 123597), (3534, 120939), (3627, 117838), (3906, 109421), (3987, 107198), (4123, 103662), (4446, 96131), (5187, 82398), (5301, 80626), (5642, 75753), (5759, 74214), (6202, 68913), (7254, 58919), (7657, 55818), (7974, 53599), (8246, 51831), (8417, 50778), (8463, 50502), (9303, 45942), (10374, 41199), (10602, 40313), (11518, 37107), (12369, 34554), (13733, 31122), (15314, 27909), (15561, 27466), (16834, 25389), (16926, 25251), (17277, 24738), (18606, 22971)]