213577156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{20849}}^1$

素因数の和:21063

約数の個数: 24

約数和(自身を含む): 404573400

約数和(自身を除く): 190996244

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 20849, 41698, 83396, 271037, 542074, 1084148, 4107253, 8214506, 16429012, 53394289, 106788578, 213577156]

約数ペア:

[(1, 213577156), (2, 106788578), (4, 53394289), (13, 16429012), (26, 8214506), (52, 4107253), (197, 1084148), (394, 542074), (788, 271037), (2561, 83396), (5122, 41698), (10244, 20849)]