86661679

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 100005840

約数和(自身を除く): 13344161

約数列:

[1, 13, 19, 137, 169, 197, 247, 1781, 2561, 2603, 3211, 3743, 23153, 26989, 33293, 33839, 48659, 350857, 439907, 512791, 632567, 4561141, 6666283, 86661679]

約数ペア:

[(1, 86661679), (13, 6666283), (19, 4561141), (137, 632567), (169, 512791), (197, 439907), (247, 350857), (1781, 48659), (2561, 33839), (2603, 33293), (3211, 26989), (3743, 23153)]