77979725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 100469760

約数和(自身を除く): 22490035

約数列:

[1, 5, 25, 31, 155, 239, 421, 775, 1195, 2105, 5975, 7409, 10525, 13051, 37045, 65255, 100619, 185225, 326275, 503095, 2515475, 3119189, 15595945, 77979725]

約数ペア:

[(1, 77979725), (5, 15595945), (25, 3119189), (31, 2515475), (155, 503095), (239, 326275), (421, 185225), (775, 100619), (1195, 65255), (2105, 37045), (5975, 13051), (7409, 10525)]