128680136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1237309}}^1$

素因数の和:1237328

約数の個数: 16

約数和(自身を含む): 259835100

約数和(自身を除く): 131154964

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1237309, 2474618, 4949236, 9898472, 16085017, 32170034, 64340068, 128680136]

約数ペア:

[(1, 128680136), (2, 64340068), (4, 32170034), (8, 16085017), (13, 9898472), (26, 4949236), (52, 2474618), (104, 1237309)]