644468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 1251264

約数和(自身を除く): 606796

約数列:

[1, 2, 4, 11, 22, 44, 97, 151, 194, 302, 388, 604, 1067, 1661, 2134, 3322, 4268, 6644, 14647, 29294, 58588, 161117, 322234, 644468]

約数ペア:

[(1, 644468), (2, 322234), (4, 161117), (11, 58588), (22, 29294), (44, 14647), (97, 6644), (151, 4268), (194, 3322), (302, 2134), (388, 1661), (604, 1067)]