199318384

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{303839}}^1$

素因数の和:303888

約数の個数: 20

約数和(自身を含む): 395599680

約数和(自身を除く): 196281296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 303839, 607678, 1215356, 2430712, 4861424, 12457399, 24914798, 49829596, 99659192, 199318384]

約数ペア:

[(1, 199318384), (2, 99659192), (4, 49829596), (8, 24914798), (16, 12457399), (41, 4861424), (82, 2430712), (164, 1215356), (328, 607678), (656, 303839)]