38991110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{90677}}^1$

素因数の和:90727

約数の個数: 16

約数和(自身を含む): 71816976

約数和(自身を除く): 32825866

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 90677, 181354, 453385, 906770, 3899111, 7798222, 19495555, 38991110]

約数ペア:

[(1, 38991110), (2, 19495555), (5, 7798222), (10, 3899111), (43, 906770), (86, 453385), (215, 181354), (430, 90677)]