87686864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{133669}}^1$

素因数の和:133718

約数の個数: 20

約数和(自身を含む): 174038340

約数和(自身を除く): 86351476

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 133669, 267338, 534676, 1069352, 2138704, 5480429, 10960858, 21921716, 43843432, 87686864]

約数ペア:

[(1, 87686864), (2, 43843432), (4, 21921716), (8, 10960858), (16, 5480429), (41, 2138704), (82, 1069352), (164, 534676), (328, 267338), (656, 133669)]