128794638

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1913}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 301110480

約数和(自身を除く): 172315842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 229, 294, 458, 687, 1374, 1603, 1913, 3206, 3826, 4809, 5739, 9618, 11221, 11478, 13391, 22442, 26782, 33663, 40173, 67326, 80346, 93737, 187474, 281211, 438077, 562422, 876154, 1314231, 2628462, 3066539, 6133078, 9199617, 18399234, 21465773, 42931546, 64397319, 128794638]

約数ペア:

[(1, 128794638), (2, 64397319), (3, 42931546), (6, 21465773), (7, 18399234), (14, 9199617), (21, 6133078), (42, 3066539), (49, 2628462), (98, 1314231), (147, 876154), (229, 562422), (294, 438077), (458, 281211), (687, 187474), (1374, 93737), (1603, 80346), (1913, 67326), (3206, 40173), (3826, 33663), (4809, 26782), (5739, 22442), (9618, 13391), (11221, 11478)]