664592

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 20

約数和(自身を含む): 1307580

約数和(自身を除く): 642988

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 569, 584, 1138, 1168, 2276, 4552, 9104, 41537, 83074, 166148, 332296, 664592]

約数ペア:

[(1, 664592), (2, 332296), (4, 166148), (8, 83074), (16, 41537), (73, 9104), (146, 4552), (292, 2276), (569, 1168), (584, 1138)]