198759905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1\times {\mathrm{1499}}^1$

素因数の和:2680

約数の個数: 16

約数和(自身を含む): 249264000

約数和(自身を除く): 50504095

約数列:

[1, 5, 23, 115, 1153, 1499, 5765, 7495, 26519, 34477, 132595, 172385, 1728347, 8641735, 39751981, 198759905]

約数ペア:

[(1, 198759905), (5, 39751981), (23, 8641735), (115, 1728347), (1153, 172385), (1499, 132595), (5765, 34477), (7495, 26519)]