81978607

素因数分解:

${\mathrm{17}}^2\times {\mathrm{419}}^1\times {\mathrm{677}}^1$

素因数の和:1130

約数の個数: 12

約数和(自身を含む): 87421320

約数和(自身を除く): 5442713

約数列:

[1, 17, 289, 419, 677, 7123, 11509, 121091, 195653, 283663, 4822271, 81978607]

約数ペア:

[(1, 81978607), (17, 4822271), (289, 283663), (419, 195653), (677, 121091), (7123, 11509)]