12620321

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 14883840

約数和(自身を除く): 2263519

約数列:

[1, 7, 67, 71, 379, 469, 497, 2653, 4757, 25393, 26909, 33299, 177751, 188363, 1802903, 12620321]

約数ペア:

[(1, 12620321), (7, 1802903), (67, 188363), (71, 177751), (379, 33299), (469, 26909), (497, 25393), (2653, 4757)]