645743526

素因数分解:

$2^1\times 3^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1468

約数の個数: 32

約数和(自身を含む): 1299836160

約数和(自身を除く): 654092634

約数列:

[1, 2, 3, 6, 397, 419, 647, 794, 838, 1191, 1257, 1294, 1941, 2382, 2514, 3882, 166343, 256859, 271093, 332686, 499029, 513718, 542186, 770577, 813279, 998058, 1541154, 1626558, 107623921, 215247842, 322871763, 645743526]

約数ペア:

[(1, 645743526), (2, 322871763), (3, 215247842), (6, 107623921), (397, 1626558), (419, 1541154), (647, 998058), (794, 813279), (838, 770577), (1191, 542186), (1257, 513718), (1294, 499029), (1941, 332686), (2382, 271093), (2514, 256859), (3882, 166343)]