12720454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2383}}^1$

素因数の和:2559

約数の個数: 16

約数和(自身を含む): 20340288

約数和(自身を除く): 7619834

約数列:

[1, 2, 17, 34, 157, 314, 2383, 2669, 4766, 5338, 40511, 81022, 374131, 748262, 6360227, 12720454]

約数ペア:

[(1, 12720454), (2, 6360227), (17, 748262), (34, 374131), (157, 81022), (314, 40511), (2383, 5338), (2669, 4766)]