820670718

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{398771}}^1$

素因数の和:398797

約数の個数: 32

約数和(自身を含む): 1914105600

約数和(自身を除く): 1093434882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 398771, 797542, 1196313, 2392626, 2791397, 5582794, 8374191, 16748382, 19539779, 39079558, 58619337, 117238674, 136778453, 273556906, 410335359, 820670718]

約数ペア:

[(1, 820670718), (2, 410335359), (3, 273556906), (6, 136778453), (7, 117238674), (14, 58619337), (21, 39079558), (42, 19539779), (49, 16748382), (98, 8374191), (147, 5582794), (294, 2791397), (343, 2392626), (686, 1196313), (1029, 797542), (2058, 398771)]