31286972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1801}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 56611632

約数和(自身を除く): 25324660

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1801, 3602, 4343, 7204, 8686, 17372, 77443, 154886, 181901, 309772, 363802, 727604, 7821743, 15643486, 31286972]

約数ペア:

[(1, 31286972), (2, 15643486), (4, 7821743), (43, 727604), (86, 363802), (101, 309772), (172, 181901), (202, 154886), (404, 77443), (1801, 17372), (3602, 8686), (4343, 7204)]