258464278

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{2953}}^1$

素因数の和:3471

約数の個数: 16

約数和(自身を含む): 392409360

約数和(自身を除く): 133945082

約数列:

[1, 2, 107, 214, 409, 818, 2953, 5906, 43763, 87526, 315971, 631942, 1207777, 2415554, 129232139, 258464278]

約数ペア:

[(1, 258464278), (2, 129232139), (107, 2415554), (214, 1207777), (409, 631942), (818, 315971), (2953, 87526), (5906, 43763)]