28989352

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 67633920

約数和(自身を除く): 38644568

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 56, 68, 74, 119, 136, 148, 238, 259, 296, 476, 518, 629, 823, 952, 1036, 1258, 1646, 2072, 2516, 3292, 4403, 5032, 5761, 6584, 8806, 11522, 13991, 17612, 23044, 27982, 30451, 35224, 46088, 55964, 60902, 97937, 111928, 121804, 195874, 213157, 243608, 391748, 426314, 517667, 783496, 852628, 1035334, 1705256, 2070668, 3623669, 4141336, 7247338, 14494676, 28989352]

約数ペア:

[(1, 28989352), (2, 14494676), (4, 7247338), (7, 4141336), (8, 3623669), (14, 2070668), (17, 1705256), (28, 1035334), (34, 852628), (37, 783496), (56, 517667), (68, 426314), (74, 391748), (119, 243608), (136, 213157), (148, 195874), (238, 121804), (259, 111928), (296, 97937), (476, 60902), (518, 55964), (629, 46088), (823, 35224), (952, 30451), (1036, 27982), (1258, 23044), (1646, 17612), (2072, 13991), (2516, 11522), (3292, 8806), (4403, 6584), (5032, 5761)]