268978894

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1\times {\mathrm{1627}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 407442816

約数和(自身を除く): 138463922

約数列:

[1, 2, 131, 262, 631, 1262, 1627, 3254, 82661, 165322, 213137, 426274, 1026637, 2053274, 134489447, 268978894]

約数ペア:

[(1, 268978894), (2, 134489447), (131, 2053274), (262, 1026637), (631, 426274), (1262, 213137), (1627, 165322), (3254, 82661)]