28287252

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 92897280

約数和(自身を除く): 64610028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 31, 34, 36, 42, 51, 54, 62, 63, 68, 71, 84, 93, 102, 108, 119, 124, 126, 142, 153, 186, 189, 204, 213, 217, 238, 252, 279, 284, 306, 357, 372, 378, 426, 434, 459, 476, 497, 527, 558, 612, 639, 651, 714, 756, 837, 852, 868, 918, 994, 1054, 1071, 1116, 1207, 1278, 1302, 1428, 1491, 1581, 1674, 1836, 1917, 1953, 1988, 2108, 2142, 2201, 2414, 2556, 2604, 2982, 3162, 3213, 3348, 3621, 3689, 3834, 3906, 4284, 4402, 4473, 4743, 4828, 5859, 5964, 6324, 6426, 6603, 7242, 7378, 7668, 7812, 8449, 8804, 8946, 9486, 10863, 11067, 11718, 12852, 13206, 13419, 14229, 14484, 14756, 15407, 16898, 17892, 18972, 19809, 21726, 22134, 23436, 25347, 26412, 26838, 28458, 30814, 32589, 33201, 33796, 37417, 39618, 43452, 44268, 46221, 50694, 53676, 56916, 59427, 61628, 65178, 66402, 74834, 76041, 79236, 92442, 99603, 101388, 112251, 118854, 130356, 132804, 138663, 149668, 152082, 184884, 199206, 224502, 228123, 237708, 261919, 277326, 304164, 336753, 398412, 415989, 449004, 456246, 523838, 554652, 673506, 785757, 831978, 912492, 1010259, 1047676, 1347012, 1571514, 1663956, 2020518, 2357271, 3143028, 4041036, 4714542, 7071813, 9429084, 14143626, 28287252]

約数ペア:

[(1, 28287252), (2, 14143626), (3, 9429084), (4, 7071813), (6, 4714542), (7, 4041036), (9, 3143028), (12, 2357271), (14, 2020518), (17, 1663956), (18, 1571514), (21, 1347012), (27, 1047676), (28, 1010259), (31, 912492), (34, 831978), (36, 785757), (42, 673506), (51, 554652), (54, 523838), (62, 456246), (63, 449004), (68, 415989), (71, 398412), (84, 336753), (93, 304164), (102, 277326), (108, 261919), (119, 237708), (124, 228123), (126, 224502), (142, 199206), (153, 184884), (186, 152082), (189, 149668), (204, 138663), (213, 132804), (217, 130356), (238, 118854), (252, 112251), (279, 101388), (284, 99603), (306, 92442), (357, 79236), (372, 76041), (378, 74834), (426, 66402), (434, 65178), (459, 61628), (476, 59427), (497, 56916), (527, 53676), (558, 50694), (612, 46221), (639, 44268), (651, 43452), (714, 39618), (756, 37417), (837, 33796), (852, 33201), (868, 32589), (918, 30814), (994, 28458), (1054, 26838), (1071, 26412), (1116, 25347), (1207, 23436), (1278, 22134), (1302, 21726), (1428, 19809), (1491, 18972), (1581, 17892), (1674, 16898), (1836, 15407), (1917, 14756), (1953, 14484), (1988, 14229), (2108, 13419), (2142, 13206), (2201, 12852), (2414, 11718), (2556, 11067), (2604, 10863), (2982, 9486), (3162, 8946), (3213, 8804), (3348, 8449), (3621, 7812), (3689, 7668), (3834, 7378), (3906, 7242), (4284, 6603), (4402, 6426), (4473, 6324), (4743, 5964), (4828, 5859)]