289759990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2228923}}^1$

素因数の和:2228943

約数の個数: 16

約数和(自身を含む): 561688848

約数和(自身を除く): 271928858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2228923, 4457846, 11144615, 22289230, 28975999, 57951998, 144879995, 289759990]

約数ペア:

[(1, 289759990), (2, 144879995), (5, 57951998), (10, 28975999), (13, 22289230), (26, 11144615), (65, 4457846), (130, 2228923)]