87661004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{22159}}^1$

素因数の和:22229

約数の個数: 24

約数和(自身を含む): 163806720

約数和(自身を除く): 76145716

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 22159, 44318, 88636, 509657, 952837, 1019314, 1905674, 2038628, 3811348, 21915251, 43830502, 87661004]

約数ペア:

[(1, 87661004), (2, 43830502), (4, 21915251), (23, 3811348), (43, 2038628), (46, 1905674), (86, 1019314), (92, 952837), (172, 509657), (989, 88636), (1978, 44318), (3956, 22159)]