80981576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{977}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 163893240

約数和(自身を除く): 82911664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 797, 977, 1594, 1954, 3188, 3908, 6376, 7816, 10361, 12701, 20722, 25402, 41444, 50804, 82888, 101608, 778669, 1557338, 3114676, 6229352, 10122697, 20245394, 40490788, 80981576]

約数ペア:

[(1, 80981576), (2, 40490788), (4, 20245394), (8, 10122697), (13, 6229352), (26, 3114676), (52, 1557338), (104, 778669), (797, 101608), (977, 82888), (1594, 50804), (1954, 41444), (3188, 25402), (3908, 20722), (6376, 12701), (7816, 10361)]