140426209

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4271}}^1$

素因数の和:4357

約数の個数: 24

約数和(自身を含む): 181166976

約数和(自身を除く): 40740767

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 2989, 4271, 4697, 29897, 32879, 46981, 209279, 260531, 328867, 1823717, 2302069, 2865841, 12766019, 20060887, 140426209]

約数ペア:

[(1, 140426209), (7, 20060887), (11, 12766019), (49, 2865841), (61, 2302069), (77, 1823717), (427, 328867), (539, 260531), (671, 209279), (2989, 46981), (4271, 32879), (4697, 29897)]