221008876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{12281}}^1$

素因数の和:12705

約数の個数: 24

約数和(自身を含む): 422992080

約数和(自身を除く): 201983204

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1636, 4499, 8998, 12281, 17996, 24562, 49124, 135091, 270182, 540364, 5022929, 10045858, 20091716, 55252219, 110504438, 221008876]

約数ペア:

[(1, 221008876), (2, 110504438), (4, 55252219), (11, 20091716), (22, 10045858), (44, 5022929), (409, 540364), (818, 270182), (1636, 135091), (4499, 49124), (8998, 24562), (12281, 17996)]