65005018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{17987}}^1$

素因数の和:18141

約数の個数: 16

約数和(自身を含む): 105769440

約数和(自身を除く): 40764422

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 17987, 35974, 233831, 467662, 2500193, 5000386, 32502509, 65005018]

約数ペア:

[(1, 65005018), (2, 32502509), (13, 5000386), (26, 2500193), (139, 467662), (278, 233831), (1807, 35974), (3614, 17987)]