256657375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2677}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 350925120

約数和(自身を除く): 94267745

約数列:

[1, 5, 13, 25, 59, 65, 125, 295, 325, 767, 1475, 1625, 2677, 3835, 7375, 13385, 19175, 34801, 66925, 95875, 157943, 174005, 334625, 789715, 870025, 2053259, 3948575, 4350125, 10266295, 19742875, 51331475, 256657375]

約数ペア:

[(1, 256657375), (5, 51331475), (13, 19742875), (25, 10266295), (59, 4350125), (65, 3948575), (125, 2053259), (295, 870025), (325, 789715), (767, 334625), (1475, 174005), (1625, 157943), (2677, 95875), (3835, 66925), (7375, 34801), (13385, 19175)]