129675890

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{102107}}^1$

素因数の和:102241

約数の個数: 16

約数和(自身を含む): 235256832

約数和(自身を除く): 105580942

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 102107, 204214, 510535, 1021070, 12967589, 25935178, 64837945, 129675890]

約数ペア:

[(1, 129675890), (2, 64837945), (5, 25935178), (10, 12967589), (127, 1021070), (254, 510535), (635, 204214), (1270, 102107)]