820996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 1604736

約数和(自身を除く): 783740

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 397, 517, 794, 1034, 1588, 2068, 4367, 8734, 17468, 18659, 37318, 74636, 205249, 410498, 820996]

約数ペア:

[(1, 820996), (2, 410498), (4, 205249), (11, 74636), (22, 37318), (44, 18659), (47, 17468), (94, 8734), (188, 4367), (397, 2068), (517, 1588), (794, 1034)]