721606824

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{72103}}^1$

素因数の和:72254

約数の個数: 48

約数和(自身を含む): 1968439200

約数和(自身を除く): 1246832376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 10008, 72103, 144206, 216309, 288412, 432618, 576824, 648927, 865236, 1297854, 1730472, 2595708, 5191416, 10022317, 20044634, 30066951, 40089268, 60133902, 80178536, 90200853, 120267804, 180401706, 240535608, 360803412, 721606824]

約数ペア:

[(1, 721606824), (2, 360803412), (3, 240535608), (4, 180401706), (6, 120267804), (8, 90200853), (9, 80178536), (12, 60133902), (18, 40089268), (24, 30066951), (36, 20044634), (72, 10022317), (139, 5191416), (278, 2595708), (417, 1730472), (556, 1297854), (834, 865236), (1112, 648927), (1251, 576824), (1668, 432618), (2502, 288412), (3336, 216309), (5004, 144206), (10008, 72103)]