2177888978

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{90617}}^1$

素因数の和:90877

約数の個数: 16

約数和(自身を含む): 3337279704

約数和(自身を除く): 1159390726

約数列:

[1, 2, 61, 122, 197, 394, 12017, 24034, 90617, 181234, 5527637, 11055274, 17851549, 35703098, 1088944489, 2177888978]

約数ペア:

[(1, 2177888978), (2, 1088944489), (61, 35703098), (122, 17851549), (197, 11055274), (394, 5527637), (12017, 181234), (24034, 90617)]