7979660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 18458496

約数和(自身を除く): 10478836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 653, 940, 1222, 1306, 2444, 2612, 3055, 3265, 6110, 6530, 8489, 12220, 13060, 16978, 30691, 33956, 42445, 61382, 84890, 122764, 153455, 169780, 306910, 398983, 613820, 797966, 1595932, 1994915, 3989830, 7979660]

約数ペア:

[(1, 7979660), (2, 3989830), (4, 1994915), (5, 1595932), (10, 797966), (13, 613820), (20, 398983), (26, 306910), (47, 169780), (52, 153455), (65, 122764), (94, 84890), (130, 61382), (188, 42445), (235, 33956), (260, 30691), (470, 16978), (611, 13060), (653, 12220), (940, 8489), (1222, 6530), (1306, 6110), (2444, 3265), (2612, 3055)]