668864176

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{369947}}^1$

素因数の和:370068

約数の個数: 20

約数和(自身を含む): 1307396232

約数和(自身を除く): 638532056

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 369947, 739894, 1479788, 2959576, 5919152, 41804011, 83608022, 167216044, 334432088, 668864176]

約数ペア:

[(1, 668864176), (2, 334432088), (4, 167216044), (8, 83608022), (16, 41804011), (113, 5919152), (226, 2959576), (452, 1479788), (904, 739894), (1808, 369947)]