156978724679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{18313}}^1\times {\mathrm{64451}}^1$

素因数の和:82790

約数の個数: 16

約数和(自身を含む): 188859828480

約数和(自身を除く): 31881103801

約数列:

[1, 7, 19, 133, 18313, 64451, 128191, 347947, 451157, 1224569, 2435629, 8571983, 1180291163, 8262038141, 22425532097, 156978724679]

約数ペア:

[(1, 156978724679), (7, 22425532097), (19, 8262038141), (133, 1180291163), (18313, 8571983), (64451, 2435629), (128191, 1224569), (347947, 451157)]