129655472

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{31531}}^1$

素因数の和:31796

約数の個数: 20

約数和(自身を含む): 252192936

約数和(自身を除く): 122537464

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 31531, 63062, 126124, 252248, 504496, 8103467, 16206934, 32413868, 64827736, 129655472]

約数ペア:

[(1, 129655472), (2, 64827736), (4, 32413868), (8, 16206934), (16, 8103467), (257, 504496), (514, 252248), (1028, 126124), (2056, 63062), (4112, 31531)]