201665168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{406583}}^1$

素因数の和:406622

約数の個数: 20

約数和(自身を含む): 403331328

約数和(自身を除く): 201666160

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 406583, 813166, 1626332, 3252664, 6505328, 12604073, 25208146, 50416292, 100832584, 201665168]

約数ペア:

[(1, 201665168), (2, 100832584), (4, 50416292), (8, 25208146), (16, 12604073), (31, 6505328), (62, 3252664), (124, 1626332), (248, 813166), (496, 406583)]