1388391199

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{295843}}^1$

素因数の和:295894

約数の個数: 12

約数和(自身を含む): 1578031896

約数和(自身を除く): 189640697

約数列:

[1, 13, 19, 247, 361, 4693, 295843, 3845959, 5621017, 73073221, 106799323, 1388391199]

約数ペア:

[(1, 1388391199), (13, 106799323), (19, 73073221), (247, 5621017), (361, 3845959), (4693, 295843)]