855472

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 20

約数和(自身を含む): 1674496

約数和(自身を除く): 819024

約数列:

[1, 2, 4, 8, 16, 127, 254, 421, 508, 842, 1016, 1684, 2032, 3368, 6736, 53467, 106934, 213868, 427736, 855472]

約数ペア:

[(1, 855472), (2, 427736), (4, 213868), (8, 106934), (16, 53467), (127, 6736), (254, 3368), (421, 2032), (508, 1684), (842, 1016)]