1639321684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1457

約数の個数: 96

約数和(自身を含む): 3865220352

約数和(自身を除く): 2225898668

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 401, 572, 802, 1001, 1021, 1604, 2002, 2042, 2807, 4004, 4084, 4411, 5213, 5614, 7147, 8822, 10426, 11228, 11231, 13273, 14294, 17644, 20852, 22462, 26546, 28588, 30877, 36491, 44924, 53092, 57343, 61754, 72982, 78617, 92911, 114686, 123508, 145964, 146003, 157234, 185822, 229372, 292006, 314468, 371644, 401401, 409421, 584012, 802802, 818842, 1022021, 1605604, 1637684, 2044042, 2865947, 4088084, 4503631, 5322473, 5731894, 9007262, 10644946, 11463788, 18014524, 21289892, 31525417, 37257311, 58547203, 63050834, 74514622, 117094406, 126101668, 149029244, 234188812, 409830421, 819660842, 1639321684]

約数ペア:

[(1, 1639321684), (2, 819660842), (4, 409830421), (7, 234188812), (11, 149029244), (13, 126101668), (14, 117094406), (22, 74514622), (26, 63050834), (28, 58547203), (44, 37257311), (52, 31525417), (77, 21289892), (91, 18014524), (143, 11463788), (154, 10644946), (182, 9007262), (286, 5731894), (308, 5322473), (364, 4503631), (401, 4088084), (572, 2865947), (802, 2044042), (1001, 1637684), (1021, 1605604), (1604, 1022021), (2002, 818842), (2042, 802802), (2807, 584012), (4004, 409421), (4084, 401401), (4411, 371644), (5213, 314468), (5614, 292006), (7147, 229372), (8822, 185822), (10426, 157234), (11228, 146003), (11231, 145964), (13273, 123508), (14294, 114686), (17644, 92911), (20852, 78617), (22462, 72982), (26546, 61754), (28588, 57343), (30877, 53092), (36491, 44924)]