1561555489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{218003}}^1$

素因数の和:218064

約数の個数: 16

約数和(自身を含む): 1831233600

約数和(自身を除く): 269678111

約数列:

[1, 13, 19, 29, 247, 377, 551, 7163, 218003, 2834039, 4142057, 6322087, 53846741, 82187131, 120119653, 1561555489]

約数ペア:

[(1, 1561555489), (13, 120119653), (19, 82187131), (29, 53846741), (247, 6322087), (377, 4142057), (551, 2834039), (7163, 218003)]