39890498

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 23976382

約数列:

[1, 2, 43, 47, 71, 86, 94, 139, 142, 278, 2021, 3053, 3337, 4042, 5977, 6106, 6533, 6674, 9869, 11954, 13066, 19738, 143491, 280919, 286982, 424367, 463843, 561838, 848734, 927686, 19945249, 39890498]

約数ペア:

[(1, 39890498), (2, 19945249), (43, 927686), (47, 848734), (71, 561838), (86, 463843), (94, 424367), (139, 286982), (142, 280919), (278, 143491), (2021, 19738), (3053, 13066), (3337, 11954), (4042, 9869), (5977, 6674), (6106, 6533)]