780388

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 1596672

約数和(自身を除く): 816284

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 593, 658, 1186, 1316, 2372, 4151, 8302, 16604, 27871, 55742, 111484, 195097, 390194, 780388]

約数ペア:

[(1, 780388), (2, 390194), (4, 195097), (7, 111484), (14, 55742), (28, 27871), (47, 16604), (94, 8302), (188, 4151), (329, 2372), (593, 1316), (658, 1186)]