25525617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 38793216

約数和(自身を除く): 13267599

約数列:

[1, 3, 13, 31, 39, 43, 93, 129, 403, 491, 559, 1209, 1333, 1473, 1677, 3999, 6383, 15221, 17329, 19149, 21113, 45663, 51987, 63339, 197873, 274469, 593619, 654503, 823407, 1963509, 8508539, 25525617]

約数ペア:

[(1, 25525617), (3, 8508539), (13, 1963509), (31, 823407), (39, 654503), (43, 593619), (93, 274469), (129, 197873), (403, 63339), (491, 51987), (559, 45663), (1209, 21113), (1333, 19149), (1473, 17329), (1677, 15221), (3999, 6383)]