222078488

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{645577}}^1$

素因数の和:645626

約数の個数: 16

約数和(自身を含む): 426081480

約数和(自身を除く): 204002992

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 645577, 1291154, 2582308, 5164616, 27759811, 55519622, 111039244, 222078488]

約数ペア:

[(1, 222078488), (2, 111039244), (4, 55519622), (8, 27759811), (43, 5164616), (86, 2582308), (172, 1291154), (344, 645577)]