681289726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1379129}}^1$

素因数の和:1379163

約数の個数: 16

約数和(自身を含む): 1158469200

約数和(自身を除く): 477179474

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 1379129, 2758258, 17928677, 26203451, 35857354, 52406902, 340644863, 681289726]

約数ペア:

[(1, 681289726), (2, 340644863), (13, 52406902), (19, 35857354), (26, 26203451), (38, 17928677), (247, 2758258), (494, 1379129)]