66488380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474917}}^1$

素因数の和:474933

約数の個数: 24

約数和(自身を含む): 159572448

約数和(自身を除く): 93084068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474917, 949834, 1899668, 2374585, 3324419, 4749170, 6648838, 9498340, 13297676, 16622095, 33244190, 66488380]

約数ペア:

[(1, 66488380), (2, 33244190), (4, 16622095), (5, 13297676), (7, 9498340), (10, 6648838), (14, 4749170), (20, 3324419), (28, 2374585), (35, 1899668), (70, 949834), (140, 474917)]