664672784

素因数分解:

$2^4\times {\mathrm{947}}^1\times {\mathrm{43867}}^1$

素因数の和:44822

約数の個数: 20

約数和(自身を含む): 1289192784

約数和(自身を除く): 624520000

約数列:

[1, 2, 4, 8, 16, 947, 1894, 3788, 7576, 15152, 43867, 87734, 175468, 350936, 701872, 41542049, 83084098, 166168196, 332336392, 664672784]

約数ペア:

[(1, 664672784), (2, 332336392), (4, 166168196), (8, 83084098), (16, 41542049), (947, 701872), (1894, 350936), (3788, 175468), (7576, 87734), (15152, 43867)]