401876624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{2221}}^1$

素因数の和:2535

約数の個数: 40

約数和(自身を含む): 800133312

約数和(自身を除く): 398256688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 263, 344, 526, 688, 1052, 2104, 2221, 4208, 4442, 8884, 11309, 17768, 22618, 35536, 45236, 90472, 95503, 180944, 191006, 382012, 584123, 764024, 1168246, 1528048, 2336492, 4672984, 9345968, 25117289, 50234578, 100469156, 200938312, 401876624]

約数ペア:

[(1, 401876624), (2, 200938312), (4, 100469156), (8, 50234578), (16, 25117289), (43, 9345968), (86, 4672984), (172, 2336492), (263, 1528048), (344, 1168246), (526, 764024), (688, 584123), (1052, 382012), (2104, 191006), (2221, 180944), (4208, 95503), (4442, 90472), (8884, 45236), (11309, 35536), (17768, 22618)]