640598268

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{1302029}}^1$

素因数の和:1302077

約数の個数: 24

約数和(自身を含む): 1531187280

約数和(自身を除く): 890589012

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 1302029, 2604058, 3906087, 5208116, 7812174, 15624348, 53383189, 106766378, 160149567, 213532756, 320299134, 640598268]

約数ペア:

[(1, 640598268), (2, 320299134), (3, 213532756), (4, 160149567), (6, 106766378), (12, 53383189), (41, 15624348), (82, 7812174), (123, 5208116), (164, 3906087), (246, 2604058), (492, 1302029)]