1991225159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{113921}}^1$

素因数の和:114166

約数の個数: 16

約数和(自身を含む): 2493524736

約数和(自身を除く): 502299577

約数列:

[1, 7, 11, 77, 227, 1589, 2497, 17479, 113921, 797447, 1253131, 8771917, 25860067, 181020469, 284460737, 1991225159]

約数ペア:

[(1, 1991225159), (7, 284460737), (11, 181020469), (77, 25860067), (227, 8771917), (1589, 1253131), (2497, 797447), (17479, 113921)]