81294865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{2251}}^1$

素因数の和:2520

約数の個数: 16

約数和(自身を含む): 101177856

約数和(自身を除く): 19882991

約数列:

[1, 5, 31, 155, 233, 1165, 2251, 7223, 11255, 36115, 69781, 348905, 524483, 2622415, 16258973, 81294865]

約数ペア:

[(1, 81294865), (5, 16258973), (31, 2622415), (155, 524483), (233, 348905), (1165, 69781), (2251, 36115), (7223, 11255)]