2561454

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 6570720

約数和(自身を除く): 4009266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 701, 1218, 1402, 1827, 2103, 3654, 4206, 4907, 6309, 9814, 12618, 14721, 20329, 29442, 40658, 44163, 60987, 88326, 121974, 142303, 182961, 284606, 365922, 426909, 853818, 1280727, 2561454]

約数ペア:

[(1, 2561454), (2, 1280727), (3, 853818), (6, 426909), (7, 365922), (9, 284606), (14, 182961), (18, 142303), (21, 121974), (29, 88326), (42, 60987), (58, 44163), (63, 40658), (87, 29442), (126, 20329), (174, 14721), (203, 12618), (261, 9814), (406, 6309), (522, 4907), (609, 4206), (701, 3654), (1218, 2103), (1402, 1827)]