3981968

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{1303}}^1$

素因数の和:1502

約数の個数: 20

約数和(自身を含む): 7761408

約数和(自身を除く): 3779440

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1303, 1528, 2606, 3056, 5212, 10424, 20848, 248873, 497746, 995492, 1990984, 3981968]

約数ペア:

[(1, 3981968), (2, 1990984), (4, 995492), (8, 497746), (16, 248873), (191, 20848), (382, 10424), (764, 5212), (1303, 3056), (1528, 2606)]