131426672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631859}}^1$

素因数の和:631880

約数の個数: 20

約数和(自身を含む): 274227240

約数和(自身を除く): 142800568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631859, 1263718, 2527436, 5054872, 8214167, 10109744, 16428334, 32856668, 65713336, 131426672]

約数ペア:

[(1, 131426672), (2, 65713336), (4, 32856668), (8, 16428334), (13, 10109744), (16, 8214167), (26, 5054872), (52, 2527436), (104, 1263718), (208, 631859)]