68516975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 88327680

約数和(自身を除く): 19810705

約数列:

[1, 5, 25, 31, 155, 211, 419, 775, 1055, 2095, 5275, 6541, 10475, 12989, 32705, 64945, 88409, 163525, 324725, 442045, 2210225, 2740679, 13703395, 68516975]

約数ペア:

[(1, 68516975), (5, 13703395), (25, 2740679), (31, 2210225), (155, 442045), (211, 324725), (419, 163525), (775, 88409), (1055, 64945), (2095, 32705), (5275, 12989), (6541, 10475)]