639342

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{3229}}^1$

素因数の和:3248

約数の個数: 24

約数和(自身を含む): 1511640

約数和(自身を除く): 872298

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 3229, 6458, 9687, 19374, 29061, 35519, 58122, 71038, 106557, 213114, 319671, 639342]

約数ペア:

[(1, 639342), (2, 319671), (3, 213114), (6, 106557), (9, 71038), (11, 58122), (18, 35519), (22, 29061), (33, 19374), (66, 9687), (99, 6458), (198, 3229)]