639161034

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{1348441}}^1$

素因数の和:1348525

約数の個数: 16

約数和(自身を含む): 1294504320

約数和(自身を除く): 655343286

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 1348441, 2696882, 4045323, 8090646, 106526839, 213053678, 319580517, 639161034]

約数ペア:

[(1, 639161034), (2, 319580517), (3, 213053678), (6, 106526839), (79, 8090646), (158, 4045323), (237, 2696882), (474, 1348441)]