201720665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{8861}}^1$

素因数の和:9052

約数の個数: 16

約数和(自身を含む): 252035280

約数和(自身を除く): 50314615

約数列:

[1, 5, 29, 145, 157, 785, 4553, 8861, 22765, 44305, 256969, 1284845, 1391177, 6955885, 40344133, 201720665]

約数ペア:

[(1, 201720665), (5, 40344133), (29, 6955885), (145, 1391177), (157, 1284845), (785, 256969), (4553, 44305), (8861, 22765)]