12705889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 15482880

約数和(自身を除く): 2776991

約数列:

[1, 7, 19, 83, 133, 581, 1151, 1577, 8057, 11039, 21869, 95533, 153083, 668731, 1815127, 12705889]

約数ペア:

[(1, 12705889), (7, 1815127), (19, 668731), (83, 153083), (133, 95533), (581, 21869), (1151, 11039), (1577, 8057)]