221584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1259}}^1$

素因数の和:1278

約数の個数: 20

約数和(自身を含む): 468720

約数和(自身を除く): 247136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1259, 2518, 5036, 10072, 13849, 20144, 27698, 55396, 110792, 221584]

約数ペア:

[(1, 221584), (2, 110792), (4, 55396), (8, 27698), (11, 20144), (16, 13849), (22, 10072), (44, 5036), (88, 2518), (176, 1259)]