188435890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{438223}}^1$

素因数の和:438273

約数の個数: 16

約数和(自身を含む): 347073408

約数和(自身を除く): 158637518

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 438223, 876446, 2191115, 4382230, 18843589, 37687178, 94217945, 188435890]

約数ペア:

[(1, 188435890), (2, 94217945), (5, 37687178), (10, 18843589), (43, 4382230), (86, 2191115), (215, 876446), (430, 438223)]