90209915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{1741}}^1$

素因数の和:2030

約数の個数: 16

約数和(自身を含む): 111292896

約数和(自身を除く): 21082981

約数列:

[1, 5, 43, 215, 241, 1205, 1741, 8705, 10363, 51815, 74863, 374315, 419581, 2097905, 18041983, 90209915]

約数ペア:

[(1, 90209915), (5, 18041983), (43, 2097905), (215, 419581), (241, 374315), (1205, 74863), (1741, 51815), (8705, 10363)]