31405787

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2011}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 37857792

約数和(自身を除く): 6452005

約数列:

[1, 7, 23, 97, 161, 679, 2011, 2231, 14077, 15617, 46253, 195067, 323771, 1365469, 4486541, 31405787]

約数ペア:

[(1, 31405787), (7, 4486541), (23, 1365469), (97, 323771), (161, 195067), (679, 46253), (2011, 15617), (2231, 14077)]