12989515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33739}}^1$

素因数の和:33762

約数の個数: 16

約数和(自身を含む): 19434240

約数和(自身を除く): 6444725

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 33739, 168695, 236173, 371129, 1180865, 1855645, 2597903, 12989515]

約数ペア:

[(1, 12989515), (5, 2597903), (7, 1855645), (11, 1180865), (35, 371129), (55, 236173), (77, 168695), (385, 33739)]