1288678328

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{1879}}^1$

素因数の和:2260

約数の個数: 64

約数和(自身を含む): 2846169600

約数和(自身を除く): 1557491272

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 331, 518, 662, 1036, 1324, 1879, 2072, 2317, 2648, 3758, 4634, 7516, 9268, 12247, 13153, 15032, 18536, 24494, 26306, 48988, 52612, 69523, 85729, 97976, 105224, 139046, 171458, 278092, 342916, 486661, 556184, 621949, 685832, 973322, 1243898, 1946644, 2487796, 3893288, 4353643, 4975592, 8707286, 17414572, 23012113, 34829144, 46024226, 92048452, 161084791, 184096904, 322169582, 644339164, 1288678328]

約数ペア:

[(1, 1288678328), (2, 644339164), (4, 322169582), (7, 184096904), (8, 161084791), (14, 92048452), (28, 46024226), (37, 34829144), (56, 23012113), (74, 17414572), (148, 8707286), (259, 4975592), (296, 4353643), (331, 3893288), (518, 2487796), (662, 1946644), (1036, 1243898), (1324, 973322), (1879, 685832), (2072, 621949), (2317, 556184), (2648, 486661), (3758, 342916), (4634, 278092), (7516, 171458), (9268, 139046), (12247, 105224), (13153, 97976), (15032, 85729), (18536, 69523), (24494, 52612), (26306, 48988)]