280631868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{16229}}^1$

素因数の和:16378

約数の個数: 48

約数和(自身を含む): 719832960

約数和(自身を除く): 439201092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 131, 132, 262, 393, 524, 786, 1441, 1572, 2882, 4323, 5764, 8646, 16229, 17292, 32458, 48687, 64916, 97374, 178519, 194748, 357038, 535557, 714076, 1071114, 2125999, 2142228, 4251998, 6377997, 8503996, 12755994, 23385989, 25511988, 46771978, 70157967, 93543956, 140315934, 280631868]

約数ペア:

[(1, 280631868), (2, 140315934), (3, 93543956), (4, 70157967), (6, 46771978), (11, 25511988), (12, 23385989), (22, 12755994), (33, 8503996), (44, 6377997), (66, 4251998), (131, 2142228), (132, 2125999), (262, 1071114), (393, 714076), (524, 535557), (786, 357038), (1441, 194748), (1572, 178519), (2882, 97374), (4323, 64916), (5764, 48687), (8646, 32458), (16229, 17292)]