139721231

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{4129}}^1$

素因数の和:4298

約数の個数: 16

約数和(自身を含む): 159583200

約数和(自身を除く): 19861969

約数列:

[1, 13, 19, 137, 247, 1781, 2603, 4129, 33839, 53677, 78451, 565673, 1019863, 7353749, 10747787, 139721231]

約数ペア:

[(1, 139721231), (13, 10747787), (19, 7353749), (137, 1019863), (247, 565673), (1781, 78451), (2603, 53677), (4129, 33839)]