1242498628

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{7639}}^1$

素因数の和:7844

約数の個数: 48

約数和(自身を含む): 2568751360

約数和(自身を除く): 1326252732

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 157, 259, 314, 518, 628, 1036, 1099, 2198, 4396, 5809, 7639, 11618, 15278, 23236, 30556, 40663, 53473, 81326, 106946, 162652, 213892, 282643, 565286, 1130572, 1199323, 1978501, 2398646, 3957002, 4797292, 7914004, 8395261, 16790522, 33581044, 44374951, 88749902, 177499804, 310624657, 621249314, 1242498628]

約数ペア:

[(1, 1242498628), (2, 621249314), (4, 310624657), (7, 177499804), (14, 88749902), (28, 44374951), (37, 33581044), (74, 16790522), (148, 8395261), (157, 7914004), (259, 4797292), (314, 3957002), (518, 2398646), (628, 1978501), (1036, 1199323), (1099, 1130572), (2198, 565286), (4396, 282643), (5809, 213892), (7639, 162652), (11618, 106946), (15278, 81326), (23236, 53473), (30556, 40663)]