15655555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2749}}^1$

素因数の和:2838

約数の個数: 16

約数和(自身を含む): 20196000

約数和(自身を除く): 4540445

約数列:

[1, 5, 17, 67, 85, 335, 1139, 2749, 5695, 13745, 46733, 184183, 233665, 920915, 3131111, 15655555]

約数ペア:

[(1, 15655555), (5, 3131111), (17, 920915), (67, 233665), (85, 184183), (335, 46733), (1139, 13745), (2749, 5695)]