140238218

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{1087}}^1$

素因数の和:1597

約数の個数: 16

約数和(自身を含む): 212212224

約数和(自身を除く): 71974006

約数列:

[1, 2, 251, 257, 502, 514, 1087, 2174, 64507, 129014, 272837, 279359, 545674, 558718, 70119109, 140238218]

約数ペア:

[(1, 140238218), (2, 70119109), (251, 558718), (257, 545674), (502, 279359), (514, 272837), (1087, 129014), (2174, 64507)]