56528381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 72441600

約数和(自身を除く): 15913219

約数列:

[1, 7, 13, 41, 91, 109, 139, 287, 533, 763, 973, 1417, 1807, 3731, 4469, 5699, 9919, 12649, 15151, 31283, 39893, 58097, 74087, 106057, 196963, 406679, 518609, 621191, 1378741, 4348337, 8075483, 56528381]

約数ペア:

[(1, 56528381), (7, 8075483), (13, 4348337), (41, 1378741), (91, 621191), (109, 518609), (139, 406679), (287, 196963), (533, 106057), (763, 74087), (973, 58097), (1417, 39893), (1807, 31283), (3731, 15151), (4469, 12649), (5699, 9919)]