51171990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20551}}^1$

素因数の和:20644

約数の個数: 32

約数和(自身を含む): 124298496

約数和(自身を除く): 73126506

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 20551, 41102, 61653, 102755, 123306, 205510, 308265, 616530, 1705733, 3411466, 5117199, 8528665, 10234398, 17057330, 25585995, 51171990]

約数ペア:

[(1, 51171990), (2, 25585995), (3, 17057330), (5, 10234398), (6, 8528665), (10, 5117199), (15, 3411466), (30, 1705733), (83, 616530), (166, 308265), (249, 205510), (415, 123306), (498, 102755), (830, 61653), (1245, 41102), (2490, 20551)]