216528078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2776001}}^1$

素因数の和:2776019

約数の個数: 16

約数和(自身を含む): 466368336

約数和(自身を除く): 249840258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2776001, 5552002, 8328003, 16656006, 36088013, 72176026, 108264039, 216528078]

約数ペア:

[(1, 216528078), (2, 108264039), (3, 72176026), (6, 36088013), (13, 16656006), (26, 8328003), (39, 5552002), (78, 2776001)]