201781018

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{6659}}^1$

素因数の和:6909

約数の個数: 16

約数和(自身を含む): 307692000

約数和(自身を除く): 105910982

約数列:

[1, 2, 109, 139, 218, 278, 6659, 13318, 15151, 30302, 725831, 925601, 1451662, 1851202, 100890509, 201781018]

約数ペア:

[(1, 201781018), (2, 100890509), (109, 1851202), (139, 1451662), (218, 925601), (278, 725831), (6659, 30302), (13318, 15151)]