128880726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1652317}}^1$

素因数の和:1652335

約数の個数: 16

約数和(自身を含む): 277589424

約数和(自身を除く): 148708698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1652317, 3304634, 4956951, 9913902, 21480121, 42960242, 64440363, 128880726]

約数ペア:

[(1, 128880726), (2, 64440363), (3, 42960242), (6, 21480121), (13, 9913902), (26, 4956951), (39, 3304634), (78, 1652317)]