128968714

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{70321}}^1$

素因数の和:70461

約数の個数: 16

約数和(自身を含む): 222780096

約数和(自身を除く): 93811382

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 70321, 140642, 492247, 984494, 9212051, 18424102, 64484357, 128968714]

約数ペア:

[(1, 128968714), (2, 64484357), (7, 18424102), (14, 9212051), (131, 984494), (262, 492247), (917, 140642), (1834, 70321)]