7999888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{38461}}^1$

素因数の和:38482

約数の個数: 20

約数和(自身を含む): 16692508

約数和(自身を除く): 8692620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 38461, 76922, 153844, 307688, 499993, 615376, 999986, 1999972, 3999944, 7999888]

約数ペア:

[(1, 7999888), (2, 3999944), (4, 1999972), (8, 999986), (13, 615376), (16, 499993), (26, 307688), (52, 153844), (104, 76922), (208, 38461)]