42413128

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 81648000

約数和(自身を除く): 39234872

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 568, 712, 839, 1678, 3356, 6319, 6712, 12638, 25276, 50552, 59569, 74671, 119138, 149342, 238276, 298684, 476552, 597368, 5301641, 10603282, 21206564, 42413128]

約数ペア:

[(1, 42413128), (2, 21206564), (4, 10603282), (8, 5301641), (71, 597368), (89, 476552), (142, 298684), (178, 238276), (284, 149342), (356, 119138), (568, 74671), (712, 59569), (839, 50552), (1678, 25276), (3356, 12638), (6319, 6712)]