66887380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477767}}^1$

素因数の和:477783

約数の個数: 24

約数和(自身を含む): 160530048

約数和(自身を除く): 93642668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477767, 955534, 1911068, 2388835, 3344369, 4777670, 6688738, 9555340, 13377476, 16721845, 33443690, 66887380]

約数ペア:

[(1, 66887380), (2, 33443690), (4, 16721845), (5, 13377476), (7, 9555340), (10, 6688738), (14, 4777670), (20, 3344369), (28, 2388835), (35, 1911068), (70, 955534), (140, 477767)]