128015478

素因数分解:

$2^1\times 3^4\times {\mathrm{790219}}^1$

素因数の和:790233

約数の個数: 20

約数和(自身を含む): 286849860

約数和(自身を除く): 158834382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 790219, 1580438, 2370657, 4741314, 7111971, 14223942, 21335913, 42671826, 64007739, 128015478]

約数ペア:

[(1, 128015478), (2, 64007739), (3, 42671826), (6, 21335913), (9, 14223942), (18, 7111971), (27, 4741314), (54, 2370657), (81, 1580438), (162, 790219)]