389928638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{2713}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 656570880

約数和(自身を除く): 266642242

約数列:

[1, 2, 11, 22, 47, 94, 139, 278, 517, 1034, 1529, 2713, 3058, 5426, 6533, 13066, 29843, 59686, 71863, 127511, 143726, 255022, 377107, 754214, 1402621, 2805242, 4148177, 8296354, 17724029, 35448058, 194964319, 389928638]

約数ペア:

[(1, 389928638), (2, 194964319), (11, 35448058), (22, 17724029), (47, 8296354), (94, 4148177), (139, 2805242), (278, 1402621), (517, 754214), (1034, 377107), (1529, 255022), (2713, 143726), (3058, 127511), (5426, 71863), (6533, 59686), (13066, 29843)]