388631802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{19387}}^1$

素因数の和:19662

約数の個数: 32

約数和(自身を含む): 840353472

約数和(自身を除く): 451721670

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 1542, 3341, 6682, 10023, 19387, 20046, 38774, 58161, 116322, 252031, 504062, 756093, 1512186, 4982459, 9964918, 14947377, 29894754, 64771967, 129543934, 194315901, 388631802]

約数ペア:

[(1, 388631802), (2, 194315901), (3, 129543934), (6, 64771967), (13, 29894754), (26, 14947377), (39, 9964918), (78, 4982459), (257, 1512186), (514, 756093), (771, 504062), (1542, 252031), (3341, 116322), (6682, 58161), (10023, 38774), (19387, 20046)]