61111105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{4649}}^1$

素因数の和:4904

約数の個数: 16

約数和(自身を含む): 80352000

約数和(自身を除く): 19240895

約数列:

[1, 5, 11, 55, 239, 1195, 2629, 4649, 13145, 23245, 51139, 255695, 1111111, 5555555, 12222221, 61111105]

約数ペア:

[(1, 61111105), (5, 12222221), (11, 5555555), (55, 1111111), (239, 255695), (1195, 51139), (2629, 23245), (4649, 13145)]