128348272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617059}}^1$

素因数の和:617080

約数の個数: 20

約数和(自身を含む): 267804040

約数和(自身を除く): 139455768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617059, 1234118, 2468236, 4936472, 8021767, 9872944, 16043534, 32087068, 64174136, 128348272]

約数ペア:

[(1, 128348272), (2, 64174136), (4, 32087068), (8, 16043534), (13, 9872944), (16, 8021767), (26, 4936472), (52, 2468236), (104, 1234118), (208, 617059)]