139543019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{2801}}^1$

素因数の和:3466

約数の個数: 16

約数和(自身を含む): 174306816

約数和(自身を除く): 34763797

約数列:

[1, 7, 11, 77, 647, 2801, 4529, 7117, 19607, 30811, 49819, 215677, 1812247, 12685729, 19934717, 139543019]

約数ペア:

[(1, 139543019), (7, 19934717), (11, 12685729), (77, 1812247), (647, 215677), (2801, 49819), (4529, 30811), (7117, 19607)]