68804949712

素因数分解:

$2^4\times {\mathrm{2617}}^1\times {\mathrm{1643221}}^1$

素因数の和:1645846

約数の個数: 20

約数和(自身を含む): 133360611076

約数和(自身を除く): 64555661364

約数列:

[1, 2, 4, 8, 16, 2617, 5234, 10468, 20936, 41872, 1643221, 3286442, 6572884, 13145768, 26291536, 4300309357, 8600618714, 17201237428, 34402474856, 68804949712]

約数ペア:

[(1, 68804949712), (2, 34402474856), (4, 17201237428), (8, 8600618714), (16, 4300309357), (2617, 26291536), (5234, 13145768), (10468, 6572884), (20936, 3286442), (41872, 1643221)]