268142590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 492687360

約数和(自身を除く): 224544770

約数列:

[1, 2, 5, 10, 79, 131, 158, 262, 395, 655, 790, 1310, 2591, 5182, 10349, 12955, 20698, 25910, 51745, 103490, 204689, 339421, 409378, 678842, 1023445, 1697105, 2046890, 3394210, 26814259, 53628518, 134071295, 268142590]

約数ペア:

[(1, 268142590), (2, 134071295), (5, 53628518), (10, 26814259), (79, 3394210), (131, 2046890), (158, 1697105), (262, 1023445), (395, 678842), (655, 409378), (790, 339421), (1310, 204689), (2591, 103490), (5182, 51745), (10349, 25910), (12955, 20698)]