243211568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{660901}}^1$

素因数の和:660932

約数の個数: 20

約数和(自身を含む): 491711088

約数和(自身を除く): 248499520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 660901, 1321802, 2643604, 5287208, 10574416, 15200723, 30401446, 60802892, 121605784, 243211568]

約数ペア:

[(1, 243211568), (2, 121605784), (4, 60802892), (8, 30401446), (16, 15200723), (23, 10574416), (46, 5287208), (92, 2643604), (184, 1321802), (368, 660901)]