256475394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{22871}}^1$

素因数の和:22975

約数の個数: 48

約数和(自身を含む): 642245760

約数和(自身を除く): 385770366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1869, 3738, 5607, 11214, 22871, 45742, 68613, 137226, 160097, 205839, 320194, 411678, 480291, 960582, 1440873, 2035519, 2881746, 4071038, 6106557, 12213114, 14248633, 18319671, 28497266, 36639342, 42745899, 85491798, 128237697, 256475394]

約数ペア:

[(1, 256475394), (2, 128237697), (3, 85491798), (6, 42745899), (7, 36639342), (9, 28497266), (14, 18319671), (18, 14248633), (21, 12213114), (42, 6106557), (63, 4071038), (89, 2881746), (126, 2035519), (178, 1440873), (267, 960582), (534, 480291), (623, 411678), (801, 320194), (1246, 205839), (1602, 160097), (1869, 137226), (3738, 68613), (5607, 45742), (11214, 22871)]