28419384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 81849600

約数和(自身を除く): 53430216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 139, 168, 278, 417, 556, 834, 973, 1112, 1217, 1668, 1946, 2434, 2919, 3336, 3651, 3892, 4868, 5838, 7302, 7784, 8519, 9736, 11676, 14604, 17038, 23352, 25557, 29208, 34076, 51114, 68152, 102228, 169163, 204456, 338326, 507489, 676652, 1014978, 1184141, 1353304, 2029956, 2368282, 3552423, 4059912, 4736564, 7104846, 9473128, 14209692, 28419384]

約数ペア:

[(1, 28419384), (2, 14209692), (3, 9473128), (4, 7104846), (6, 4736564), (7, 4059912), (8, 3552423), (12, 2368282), (14, 2029956), (21, 1353304), (24, 1184141), (28, 1014978), (42, 676652), (56, 507489), (84, 338326), (139, 204456), (168, 169163), (278, 102228), (417, 68152), (556, 51114), (834, 34076), (973, 29208), (1112, 25557), (1217, 23352), (1668, 17038), (1946, 14604), (2434, 11676), (2919, 9736), (3336, 8519), (3651, 7784), (3892, 7302), (4868, 5838)]