890522458

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{19387}}^1$

素因数の和:19606

約数の個数: 32

約数和(自身を含む): 1624869504

約数和(自身を除く): 734347046

約数列:

[1, 2, 7, 14, 17, 34, 119, 193, 238, 386, 1351, 2702, 3281, 6562, 19387, 22967, 38774, 45934, 135709, 271418, 329579, 659158, 2307053, 3741691, 4614106, 7483382, 26191837, 52383674, 63608747, 127217494, 445261229, 890522458]

約数ペア:

[(1, 890522458), (2, 445261229), (7, 127217494), (14, 63608747), (17, 52383674), (34, 26191837), (119, 7483382), (193, 4614106), (238, 3741691), (386, 2307053), (1351, 659158), (2702, 329579), (3281, 271418), (6562, 135709), (19387, 45934), (22967, 38774)]