890992

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 1740960

約数和(自身を除く): 849968

約数列:

[1, 2, 4, 8, 16, 233, 239, 466, 478, 932, 956, 1864, 1912, 3728, 3824, 55687, 111374, 222748, 445496, 890992]

約数ペア:

[(1, 890992), (2, 445496), (4, 222748), (8, 111374), (16, 55687), (233, 3824), (239, 3728), (466, 1912), (478, 1864), (932, 956)]