2159522

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 16

約数和(自身を含む): 3404544

約数和(自身を除く): 1245022

約数列:

[1, 2, 31, 61, 62, 122, 571, 1142, 1891, 3782, 17701, 34831, 35402, 69662, 1079761, 2159522]

約数ペア:

[(1, 2159522), (2, 1079761), (31, 69662), (61, 35402), (62, 34831), (122, 17701), (571, 3782), (1142, 1891)]