721006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2547

約数の個数: 16

約数和(自身を含む): 1271088

約数和(自身を除く): 550082

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 2521, 5042, 27731, 32773, 55462, 65546, 360503, 721006]

約数ペア:

[(1, 721006), (2, 360503), (11, 65546), (13, 55462), (22, 32773), (26, 27731), (143, 5042), (286, 2521)]