64747340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462481}}^1$

素因数の和:462497

約数の個数: 24

約数和(自身を含む): 155393952

約数和(自身を除く): 90646612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462481, 924962, 1849924, 2312405, 3237367, 4624810, 6474734, 9249620, 12949468, 16186835, 32373670, 64747340]

約数ペア:

[(1, 64747340), (2, 32373670), (4, 16186835), (5, 12949468), (7, 9249620), (10, 6474734), (14, 4624810), (20, 3237367), (28, 2312405), (35, 1849924), (70, 924962), (140, 462481)]