64640956

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{227609}}^1$

素因数の和:227684

約数の個数: 12

約数和(自身を含む): 114715440

約数和(自身を除く): 50074484

約数列:

[1, 2, 4, 71, 142, 284, 227609, 455218, 910436, 16160239, 32320478, 64640956]

約数ペア:

[(1, 64640956), (2, 32320478), (4, 16160239), (71, 910436), (142, 455218), (284, 227609)]