811984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2698

約数の個数: 20

約数和(自身を含む): 1656640

約数和(自身を除く): 844656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2671, 5342, 10684, 21368, 42736, 50749, 101498, 202996, 405992, 811984]

約数ペア:

[(1, 811984), (2, 405992), (4, 202996), (8, 101498), (16, 50749), (19, 42736), (38, 21368), (76, 10684), (152, 5342), (304, 2671)]