890405744

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{406207}}^1$

素因数の和:406352

約数の個数: 20

約数和(自身を含む): 1737757824

約数和(自身を除く): 847352080

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 406207, 812414, 1624828, 3249656, 6499312, 55650359, 111300718, 222601436, 445202872, 890405744]

約数ペア:

[(1, 890405744), (2, 445202872), (4, 222601436), (8, 111300718), (16, 55650359), (137, 6499312), (274, 3249656), (548, 1624828), (1096, 812414), (2192, 406207)]