221468144

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{99581}}^1$

素因数の和:99728

約数の個数: 20

約数和(自身を含む): 432185880

約数和(自身を除く): 210717736

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 99581, 199162, 398324, 796648, 1593296, 13841759, 27683518, 55367036, 110734072, 221468144]

約数ペア:

[(1, 221468144), (2, 110734072), (4, 55367036), (8, 27683518), (16, 13841759), (139, 1593296), (278, 796648), (556, 398324), (1112, 199162), (2224, 99581)]