78639286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{45247}}^1$

素因数の和:45339

約数の個数: 16

約数和(自身を含む): 130314240

約数和(自身を除く): 51674954

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 45247, 90494, 497717, 995434, 3574513, 7149026, 39319643, 78639286]

約数ペア:

[(1, 78639286), (2, 39319643), (11, 7149026), (22, 3574513), (79, 995434), (158, 497717), (869, 90494), (1738, 45247)]