2049782155

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{249517}}^1$

素因数の和:249606

約数の個数: 16

約数和(自身を含む): 2587002624

約数和(自身を除く): 537220469

約数列:

[1, 5, 31, 53, 155, 265, 1643, 8215, 249517, 1247585, 7735027, 13224401, 38675135, 66122005, 409956431, 2049782155]

約数ペア:

[(1, 2049782155), (5, 409956431), (31, 66122005), (53, 38675135), (155, 13224401), (265, 7735027), (1643, 1247585), (8215, 249517)]