2780493906

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{6526981}}^1$

素因数の和:6527057

約数の個数: 16

約数和(自身を含む): 5639312448

約数和(自身を除く): 2858818542

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 6526981, 13053962, 19580943, 39161886, 463415651, 926831302, 1390246953, 2780493906]

約数ペア:

[(1, 2780493906), (2, 1390246953), (3, 926831302), (6, 463415651), (71, 39161886), (142, 19580943), (213, 13053962), (426, 6526981)]