641865026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 1062512640

約数和(自身を除く): 420647614

約数列:

[1, 2, 11, 22, 139, 278, 431, 487, 862, 974, 1529, 3058, 4741, 5357, 9482, 10714, 59909, 67693, 119818, 135386, 209897, 419794, 658999, 744623, 1317998, 1489246, 2308867, 4617734, 29175683, 58351366, 320932513, 641865026]

約数ペア:

[(1, 641865026), (2, 320932513), (11, 58351366), (22, 29175683), (139, 4617734), (278, 2308867), (431, 1489246), (487, 1317998), (862, 744623), (974, 658999), (1529, 419794), (3058, 209897), (4741, 135386), (5357, 119818), (9482, 67693), (10714, 59909)]