31815095

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 43164576

約数和(自身を除く): 11349481

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 1637, 3887, 8185, 19435, 21281, 37651, 106405, 188255, 276653, 489463, 1383265, 2447315, 6363019, 31815095]

約数ペア:

[(1, 31815095), (5, 6363019), (13, 2447315), (23, 1383265), (65, 489463), (115, 276653), (169, 188255), (299, 106405), (845, 37651), (1495, 21281), (1637, 19435), (3887, 8185)]