261821818

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{32917}}^1$

素因数の和:33057

約数の個数: 16

約数和(自身を含む): 406471464

約数和(自身を除く): 144649646

約数列:

[1, 2, 41, 82, 97, 194, 3977, 7954, 32917, 65834, 1349597, 2699194, 3192949, 6385898, 130910909, 261821818]

約数ペア:

[(1, 261821818), (2, 130910909), (41, 6385898), (82, 3192949), (97, 2699194), (194, 1349597), (3977, 65834), (7954, 32917)]