71021279

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{643}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 84080640

約数和(自身を除く): 13059361

約数列:

[1, 7, 31, 217, 509, 643, 3563, 4501, 15779, 19933, 110453, 139531, 327287, 2291009, 10145897, 71021279]

約数ペア:

[(1, 71021279), (7, 10145897), (31, 2291009), (217, 327287), (509, 139531), (643, 110453), (3563, 19933), (4501, 15779)]