99919805

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{821}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 121741488

約数和(自身を除く): 21821683

約数列:

[1, 5, 101, 241, 505, 821, 1205, 4105, 24341, 82921, 121705, 197861, 414605, 989305, 19983961, 99919805]

約数ペア:

[(1, 99919805), (5, 19983961), (101, 989305), (241, 414605), (505, 197861), (821, 121705), (1205, 82921), (4105, 24341)]