12720752

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{72277}}^1$

素因数の和:72296

約数の個数: 20

約数和(自身を含む): 26887416

約数和(自身を除く): 14166664

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 72277, 144554, 289108, 578216, 795047, 1156432, 1590094, 3180188, 6360376, 12720752]

約数ペア:

[(1, 12720752), (2, 6360376), (4, 3180188), (8, 1590094), (11, 1156432), (16, 795047), (22, 578216), (44, 289108), (88, 144554), (176, 72277)]