15966756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 44003960

約数和(自身を除く): 28037204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 313, 327, 436, 468, 626, 654, 939, 981, 1252, 1308, 1417, 1878, 1962, 2817, 2834, 3756, 3924, 4069, 4251, 5634, 5668, 8138, 8502, 11268, 12207, 12753, 16276, 17004, 24414, 25506, 34117, 36621, 48828, 51012, 68234, 73242, 102351, 136468, 146484, 204702, 307053, 409404, 443521, 614106, 887042, 1228212, 1330563, 1774084, 2661126, 3991689, 5322252, 7983378, 15966756]

約数ペア:

[(1, 15966756), (2, 7983378), (3, 5322252), (4, 3991689), (6, 2661126), (9, 1774084), (12, 1330563), (13, 1228212), (18, 887042), (26, 614106), (36, 443521), (39, 409404), (52, 307053), (78, 204702), (109, 146484), (117, 136468), (156, 102351), (218, 73242), (234, 68234), (313, 51012), (327, 48828), (436, 36621), (468, 34117), (626, 25506), (654, 24414), (939, 17004), (981, 16276), (1252, 12753), (1308, 12207), (1417, 11268), (1878, 8502), (1962, 8138), (2817, 5668), (2834, 5634), (3756, 4251), (3924, 4069)]