205489204

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{829}}^1\times {\mathrm{1999}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 371840000

約数和(自身を除く): 166350796

約数列:

[1, 2, 4, 31, 62, 124, 829, 1658, 1999, 3316, 3998, 7996, 25699, 51398, 61969, 102796, 123938, 247876, 1657171, 3314342, 6628684, 51372301, 102744602, 205489204]

約数ペア:

[(1, 205489204), (2, 102744602), (4, 51372301), (31, 6628684), (62, 3314342), (124, 1657171), (829, 247876), (1658, 123938), (1999, 102796), (3316, 61969), (3998, 51398), (7996, 25699)]