248825375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 323381760

約数和(自身を除く): 74556385

約数列:

[1, 5, 25, 31, 125, 155, 157, 409, 775, 785, 2045, 3875, 3925, 4867, 10225, 12679, 19625, 24335, 51125, 63395, 64213, 121675, 316975, 321065, 608375, 1584875, 1605325, 1990603, 8026625, 9953015, 49765075, 248825375]

約数ペア:

[(1, 248825375), (5, 49765075), (25, 9953015), (31, 8026625), (125, 1990603), (155, 1605325), (157, 1584875), (409, 608375), (775, 321065), (785, 316975), (2045, 121675), (3875, 64213), (3925, 63395), (4867, 51125), (10225, 24335), (12679, 19625)]