216808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 417060

約数和(自身を除く): 200252

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 661, 1322, 2644, 5288, 27101, 54202, 108404, 216808]

約数ペア:

[(1, 216808), (2, 108404), (4, 54202), (8, 27101), (41, 5288), (82, 2644), (164, 1322), (328, 661)]