13778009

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 16415616

約数和(自身を除く): 2637607

約数列:

[1, 7, 41, 61, 287, 427, 787, 2501, 5509, 17507, 32267, 48007, 225869, 336049, 1968287, 13778009]

約数ペア:

[(1, 13778009), (7, 1968287), (41, 336049), (61, 225869), (287, 48007), (427, 32267), (787, 17507), (2501, 5509)]