31387993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2633}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 38941056

約数和(自身を除く): 7553063

約数列:

[1, 7, 13, 91, 131, 917, 1703, 2633, 11921, 18431, 34229, 239603, 344923, 2414461, 4483999, 31387993]

約数ペア:

[(1, 31387993), (7, 4483999), (13, 2414461), (91, 344923), (131, 239603), (917, 34229), (1703, 18431), (2633, 11921)]