31279878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 80478720

約数和(自身を除く): 49198842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 83, 126, 166, 189, 249, 378, 498, 581, 747, 997, 1162, 1494, 1743, 1994, 2241, 2991, 3486, 4482, 5229, 5982, 6979, 8973, 10458, 13958, 15687, 17946, 20937, 26919, 31374, 41874, 53838, 62811, 82751, 125622, 165502, 188433, 248253, 376866, 496506, 579257, 744759, 1158514, 1489518, 1737771, 2234277, 3475542, 4468554, 5213313, 10426626, 15639939, 31279878]

約数ペア:

[(1, 31279878), (2, 15639939), (3, 10426626), (6, 5213313), (7, 4468554), (9, 3475542), (14, 2234277), (18, 1737771), (21, 1489518), (27, 1158514), (42, 744759), (54, 579257), (63, 496506), (83, 376866), (126, 248253), (166, 188433), (189, 165502), (249, 125622), (378, 82751), (498, 62811), (581, 53838), (747, 41874), (997, 31374), (1162, 26919), (1494, 20937), (1743, 17946), (1994, 15687), (2241, 13958), (2991, 10458), (3486, 8973), (4482, 6979), (5229, 5982)]