131821768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1267517}}^1$

素因数の和:1267536

約数の個数: 16

約数和(自身を含む): 266178780

約数和(自身を除く): 134357012

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1267517, 2535034, 5070068, 10140136, 16477721, 32955442, 65910884, 131821768]

約数ペア:

[(1, 131821768), (2, 65910884), (4, 32955442), (8, 16477721), (13, 10140136), (26, 5070068), (52, 2535034), (104, 1267517)]