381225025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 508959612

約数和(自身を除く): 127734587

約数列:

[1, 5, 19, 25, 53, 95, 265, 361, 475, 797, 1007, 1325, 1805, 3985, 5035, 9025, 15143, 19133, 19925, 25175, 42241, 75715, 95665, 211205, 287717, 378575, 478325, 802579, 1056025, 1438585, 4012895, 7192925, 15249001, 20064475, 76245005, 381225025]

約数ペア:

[(1, 381225025), (5, 76245005), (19, 20064475), (25, 15249001), (53, 7192925), (95, 4012895), (265, 1438585), (361, 1056025), (475, 802579), (797, 478325), (1007, 378575), (1325, 287717), (1805, 211205), (3985, 95665), (5035, 75715), (9025, 42241), (15143, 25175), (19133, 19925)]