641604

素因数分解:

$2^2\times 3^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 1512448

約数和(自身を除く): 870844

約数列:

[1, 2, 3, 4, 6, 12, 127, 254, 381, 421, 508, 762, 842, 1263, 1524, 1684, 2526, 5052, 53467, 106934, 160401, 213868, 320802, 641604]

約数ペア:

[(1, 641604), (2, 320802), (3, 213868), (4, 160401), (6, 106934), (12, 53467), (127, 5052), (254, 2526), (381, 1684), (421, 1524), (508, 1263), (762, 842)]