640946359

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{52879}}^1$

素因数の和:52950

約数の個数: 16

約数和(自身を含む): 731013120

約数和(自身を除く): 90066761

約数列:

[1, 17, 23, 31, 391, 527, 713, 12121, 52879, 898943, 1216217, 1639249, 20675689, 27867233, 37702727, 640946359]

約数ペア:

[(1, 640946359), (17, 37702727), (23, 27867233), (31, 20675689), (391, 1639249), (527, 1216217), (713, 898943), (12121, 52879)]