1231004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 2339568

約数和(自身を除く): 1108564

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 421, 731, 842, 1462, 1684, 2924, 7157, 14314, 18103, 28628, 36206, 72412, 307751, 615502, 1231004]

約数ペア:

[(1, 1231004), (2, 615502), (4, 307751), (17, 72412), (34, 36206), (43, 28628), (68, 18103), (86, 14314), (172, 7157), (421, 2924), (731, 1684), (842, 1462)]