31459144

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 60984000

約数和(自身を除く): 29524856

約数列:

[1, 2, 4, 8, 43, 86, 109, 172, 218, 344, 436, 839, 872, 1678, 3356, 4687, 6712, 9374, 18748, 36077, 37496, 72154, 91451, 144308, 182902, 288616, 365804, 731608, 3932393, 7864786, 15729572, 31459144]

約数ペア:

[(1, 31459144), (2, 15729572), (4, 7864786), (8, 3932393), (43, 731608), (86, 365804), (109, 288616), (172, 182902), (218, 144308), (344, 91451), (436, 72154), (839, 37496), (872, 36077), (1678, 18748), (3356, 9374), (4687, 6712)]