644711994

素因数分解:

$2^1\times 3^3\times {\mathrm{11939111}}^1$

素因数の和:11939122

約数の個数: 16

約数和(自身を含む): 1432693440

約数和(自身を除く): 787981446

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 11939111, 23878222, 35817333, 71634666, 107451999, 214903998, 322355997, 644711994]

約数ペア:

[(1, 644711994), (2, 322355997), (3, 214903998), (6, 107451999), (9, 71634666), (18, 35817333), (27, 23878222), (54, 11939111)]