639342882

素因数分解:

$2^1\times 3^4\times {\mathrm{419}}^1\times {\mathrm{9419}}^1$

素因数の和:9852

約数の個数: 40

約数和(自身を含む): 1436173200

約数和(自身を除く): 796830318

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 419, 838, 1257, 2514, 3771, 7542, 9419, 11313, 18838, 22626, 28257, 33939, 56514, 67878, 84771, 169542, 254313, 508626, 762939, 1525878, 3946561, 7893122, 11839683, 23679366, 35519049, 71038098, 106557147, 213114294, 319671441, 639342882]

約数ペア:

[(1, 639342882), (2, 319671441), (3, 213114294), (6, 106557147), (9, 71038098), (18, 35519049), (27, 23679366), (54, 11839683), (81, 7893122), (162, 3946561), (419, 1525878), (838, 762939), (1257, 508626), (2514, 254313), (3771, 169542), (7542, 84771), (9419, 67878), (11313, 56514), (18838, 33939), (22626, 28257)]