388634987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{2447}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 441423360

約数和(自身を除く): 52788373

約数列:

[1, 13, 19, 247, 643, 2447, 8359, 12217, 31811, 46493, 158821, 604409, 1573421, 20454473, 29894999, 388634987]

約数ペア:

[(1, 388634987), (13, 29894999), (19, 20454473), (247, 1573421), (643, 604409), (2447, 158821), (8359, 46493), (12217, 31811)]