222278384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{338839}}^1$

素因数の和:338888

約数の個数: 20

約数和(自身を含む): 441169680

約数和(自身を除く): 218891296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 338839, 677678, 1355356, 2710712, 5421424, 13892399, 27784798, 55569596, 111139192, 222278384]

約数ペア:

[(1, 222278384), (2, 111139192), (4, 55569596), (8, 27784798), (16, 13892399), (41, 5421424), (82, 2710712), (164, 1355356), (328, 677678), (656, 338839)]