648366982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{108677}}^1$

素因数の和:108855

約数の個数: 16

約数和(自身を含む): 1030267440

約数和(自身を除く): 381900458

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 108677, 217354, 2064863, 4129726, 17062289, 34124578, 324183491, 648366982]

約数ペア:

[(1, 648366982), (2, 324183491), (19, 34124578), (38, 17062289), (157, 4129726), (314, 2064863), (2983, 217354), (5966, 108677)]