26719888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128461}}^1$

素因数の和:128482

約数の個数: 20

約数和(自身を含む): 55752508

約数和(自身を除く): 29032620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128461, 256922, 513844, 1027688, 1669993, 2055376, 3339986, 6679972, 13359944, 26719888]

約数ペア:

[(1, 26719888), (2, 13359944), (4, 6679972), (8, 3339986), (13, 2055376), (16, 1669993), (26, 1027688), (52, 513844), (104, 256922), (208, 128461)]