4021555

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 5005440

約数和(自身を除く): 983885

約数列:

[1, 5, 47, 109, 157, 235, 545, 785, 5123, 7379, 17113, 25615, 36895, 85565, 804311, 4021555]

約数ペア:

[(1, 4021555), (5, 804311), (47, 85565), (109, 36895), (157, 25615), (235, 17113), (545, 7379), (785, 5123)]