201990778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{7351}}^1$

素因数の和:8613

約数の個数: 16

約数和(自身を含む): 330840000

約数和(自身を除く): 128849222

約数列:

[1, 2, 11, 22, 1249, 2498, 7351, 13739, 14702, 27478, 80861, 161722, 9181399, 18362798, 100995389, 201990778]

約数ペア:

[(1, 201990778), (2, 100995389), (11, 18362798), (22, 9181399), (1249, 161722), (2498, 80861), (7351, 27478), (13739, 14702)]