1280898359

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{6481}}^1$

素因数の和:7178

約数の個数: 16

約数和(自身を含む): 1441804224

約数和(自身を除く): 160905865

約数列:

[1, 13, 23, 299, 661, 6481, 8593, 15203, 84253, 149063, 197639, 1937819, 4283941, 55691233, 98530643, 1280898359]

約数ペア:

[(1, 1280898359), (13, 98530643), (23, 55691233), (299, 4283941), (661, 1937819), (6481, 197639), (8593, 149063), (15203, 84253)]