212944394

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20382

約数の個数: 24

約数和(自身を含む): 357052032

約数和(自身を除く): 144107638

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 20323, 40646, 264199, 528398, 630013, 1260026, 3434587, 6869174, 8190169, 16380338, 106472197, 212944394]

約数ペア:

[(1, 212944394), (2, 106472197), (13, 16380338), (26, 8190169), (31, 6869174), (62, 3434587), (169, 1260026), (338, 630013), (403, 528398), (806, 264199), (5239, 40646), (10478, 20323)]