9979675

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 13015040

約数和(自身を除く): 3035365

約数列:

[1, 5, 25, 31, 79, 155, 163, 395, 775, 815, 1975, 2449, 4075, 5053, 12245, 12877, 25265, 61225, 64385, 126325, 321925, 399187, 1995935, 9979675]

約数ペア:

[(1, 9979675), (5, 1995935), (25, 399187), (31, 321925), (79, 126325), (155, 64385), (163, 61225), (395, 25265), (775, 12877), (815, 12245), (1975, 5053), (2449, 4075)]