208070915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{3331}}^1$

素因数の和:3411

約数の個数: 24

約数和(自身を含む): 277928784

約数和(自身を除く): 69857869

約数列:

[1, 5, 13, 31, 65, 155, 403, 961, 2015, 3331, 4805, 12493, 16655, 43303, 62465, 103261, 216515, 516305, 1342393, 3201091, 6711965, 16005455, 41614183, 208070915]

約数ペア:

[(1, 208070915), (5, 41614183), (13, 16005455), (31, 6711965), (65, 3201091), (155, 1342393), (403, 516305), (961, 216515), (2015, 103261), (3331, 62465), (4805, 43303), (12493, 16655)]