25187508

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 66594528

約数和(自身を除く): 41407020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 307, 318, 387, 477, 516, 614, 636, 774, 921, 954, 1228, 1548, 1842, 1908, 2279, 2763, 3684, 4558, 5526, 6837, 9116, 11052, 13201, 13674, 16271, 20511, 26402, 27348, 32542, 39603, 41022, 48813, 52804, 65084, 79206, 82044, 97626, 118809, 146439, 158412, 195252, 237618, 292878, 475236, 585756, 699653, 1399306, 2098959, 2798612, 4197918, 6296877, 8395836, 12593754, 25187508]

約数ペア:

[(1, 25187508), (2, 12593754), (3, 8395836), (4, 6296877), (6, 4197918), (9, 2798612), (12, 2098959), (18, 1399306), (36, 699653), (43, 585756), (53, 475236), (86, 292878), (106, 237618), (129, 195252), (159, 158412), (172, 146439), (212, 118809), (258, 97626), (307, 82044), (318, 79206), (387, 65084), (477, 52804), (516, 48813), (614, 41022), (636, 39603), (774, 32542), (921, 27348), (954, 26402), (1228, 20511), (1548, 16271), (1842, 13674), (1908, 13201), (2279, 11052), (2763, 9116), (3684, 6837), (4558, 5526)]