12868891

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 15588864

約数和(自身を除く): 2719973

約数列:

[1, 7, 23, 67, 161, 469, 1193, 1541, 8351, 10787, 27439, 79931, 192073, 559517, 1838413, 12868891]

約数ペア:

[(1, 12868891), (7, 1838413), (23, 559517), (67, 192073), (161, 79931), (469, 27439), (1193, 10787), (1541, 8351)]