81864824

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{65179}}^1$

素因数の和:65342

約数の個数: 16

約数和(自身を含む): 154476600

約数和(自身を除く): 72611776

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 65179, 130358, 260716, 521432, 10233103, 20466206, 40932412, 81864824]

約数ペア:

[(1, 81864824), (2, 40932412), (4, 20466206), (8, 10233103), (157, 521432), (314, 260716), (628, 130358), (1256, 65179)]