81145883

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1787}}^1$

素因数の和:2306

約数の個数: 16

約数和(自身を含む): 100128000

約数和(自身を除く): 18982117

約数列:

[1, 7, 13, 91, 499, 1787, 3493, 6487, 12509, 23231, 45409, 162617, 891713, 6241991, 11592269, 81145883]

約数ペア:

[(1, 81145883), (7, 11592269), (13, 6241991), (91, 891713), (499, 162617), (1787, 45409), (3493, 23231), (6487, 12509)]