840873292

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{77201}}^1$

素因数の和:77601

約数の個数: 24

約数和(自身を含む): 1686091680

約数和(自身を除く): 845218388

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 10892, 77201, 154402, 308804, 540407, 1080814, 2161628, 30031189, 60062378, 120124756, 210218323, 420436646, 840873292]

約数ペア:

[(1, 840873292), (2, 420436646), (4, 210218323), (7, 120124756), (14, 60062378), (28, 30031189), (389, 2161628), (778, 1080814), (1556, 540407), (2723, 308804), (5446, 154402), (10892, 77201)]