221781164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{5040481}}^1$

素因数の和:5040496

約数の個数: 12

約数和(自身を含む): 423400488

約数和(自身を除く): 201619324

約数列:

[1, 2, 4, 11, 22, 44, 5040481, 10080962, 20161924, 55445291, 110890582, 221781164]

約数ペア:

[(1, 221781164), (2, 110890582), (4, 55445291), (11, 20161924), (22, 10080962), (44, 5040481)]