1295890285

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1\times {\mathrm{2441}}^1$

素因数の和:3728

約数の個数: 16

約数和(自身を含む): 1574503920

約数和(自身を除く): 278613635

約数列:

[1, 5, 89, 445, 1193, 2441, 5965, 12205, 106177, 217249, 530885, 1086245, 2912113, 14560565, 259178057, 1295890285]

約数ペア:

[(1, 1295890285), (5, 259178057), (89, 14560565), (445, 2912113), (1193, 1086245), (2441, 530885), (5965, 217249), (12205, 106177)]