639350946

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2732269}}^1$

素因数の和:2732290

約数の個数: 24

約数和(自身を含む): 1491819420

約数和(自身を除く): 852468474

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2732269, 5464538, 8196807, 16393614, 24590421, 35519497, 49180842, 71038994, 106558491, 213116982, 319675473, 639350946]

約数ペア:

[(1, 639350946), (2, 319675473), (3, 213116982), (6, 106558491), (9, 71038994), (13, 49180842), (18, 35519497), (26, 24590421), (39, 16393614), (78, 8196807), (117, 5464538), (234, 2732269)]