2581247984

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{743447}}^1$

素因数の和:743493

約数の個数: 40

約数和(自身を含む): 5900003328

約数和(自身を除く): 3318755344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 743447, 1486894, 2973788, 5204129, 5947576, 10408258, 11895152, 20816516, 23046857, 41633032, 46093714, 83266064, 92187428, 161327999, 184374856, 322655998, 368749712, 645311996, 1290623992, 2581247984]

約数ペア:

[(1, 2581247984), (2, 1290623992), (4, 645311996), (7, 368749712), (8, 322655998), (14, 184374856), (16, 161327999), (28, 92187428), (31, 83266064), (56, 46093714), (62, 41633032), (112, 23046857), (124, 20816516), (217, 11895152), (248, 10408258), (434, 5947576), (496, 5204129), (868, 2973788), (1736, 1486894), (3472, 743447)]