571878385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{769}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 784697760

約数和(自身を除く): 212819375

約数列:

[1, 5, 13, 17, 65, 85, 221, 673, 769, 1105, 3365, 3845, 8749, 9997, 11441, 13073, 43745, 49985, 57205, 65365, 148733, 169949, 517537, 743665, 849745, 2587685, 6727981, 8798129, 33639905, 43990645, 114375677, 571878385]

約数ペア:

[(1, 571878385), (5, 114375677), (13, 43990645), (17, 33639905), (65, 8798129), (85, 6727981), (221, 2587685), (673, 849745), (769, 743665), (1105, 517537), (3365, 169949), (3845, 148733), (8749, 65365), (9997, 57205), (11441, 49985), (13073, 43745)]