71890987

素因数分解:

$7^2\times {\mathrm{163}}^1\times {\mathrm{9001}}^1$

素因数の和:9178

約数の個数: 12

約数和(自身を含む): 84150696

約数和(自身を除く): 12259709

約数列:

[1, 7, 49, 163, 1141, 7987, 9001, 63007, 441049, 1467163, 10270141, 71890987]

約数ペア:

[(1, 71890987), (7, 10270141), (49, 1467163), (163, 441049), (1141, 63007), (7987, 9001)]