388639384

素因数分解:

$2^3\times 7^2\times {\mathrm{991427}}^1$

素因数の和:991447

約数の個数: 24

約数和(自身を含む): 847670940

約数和(自身を除く): 459031556

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 991427, 1982854, 3965708, 6939989, 7931416, 13879978, 27759956, 48579923, 55519912, 97159846, 194319692, 388639384]

約数ペア:

[(1, 388639384), (2, 194319692), (4, 97159846), (7, 55519912), (8, 48579923), (14, 27759956), (28, 13879978), (49, 7931416), (56, 6939989), (98, 3965708), (196, 1982854), (392, 991427)]