520065889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 627572736

約数和(自身を除く): 107506847

約数列:

[1, 7, 31, 113, 127, 167, 217, 791, 889, 1169, 3503, 3937, 5177, 14351, 18871, 21209, 24521, 27559, 36239, 100457, 132097, 148463, 444881, 585001, 657479, 2396617, 3114167, 4095007, 4602353, 16776319, 74295127, 520065889]

約数ペア:

[(1, 520065889), (7, 74295127), (31, 16776319), (113, 4602353), (127, 4095007), (167, 3114167), (217, 2396617), (791, 657479), (889, 585001), (1169, 444881), (3503, 148463), (3937, 132097), (5177, 100457), (14351, 36239), (18871, 27559), (21209, 24521)]