12993305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 17811360

約数和(自身を除く): 4818055

約数列:

[1, 5, 13, 29, 61, 65, 113, 145, 305, 377, 565, 793, 1469, 1769, 1885, 3277, 3965, 6893, 7345, 8845, 16385, 22997, 34465, 42601, 89609, 114985, 199897, 213005, 448045, 999485, 2598661, 12993305]

約数ペア:

[(1, 12993305), (5, 2598661), (13, 999485), (29, 448045), (61, 213005), (65, 199897), (113, 114985), (145, 89609), (305, 42601), (377, 34465), (565, 22997), (793, 16385), (1469, 8845), (1769, 7345), (1885, 6893), (3277, 3965)]