26981630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207551}}^1$

素因数の和:207571

約数の個数: 16

約数和(自身を含む): 52303104

約数和(自身を除く): 25321474

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 207551, 415102, 1037755, 2075510, 2698163, 5396326, 13490815, 26981630]

約数ペア:

[(1, 26981630), (2, 13490815), (5, 5396326), (10, 2698163), (13, 2075510), (26, 1037755), (65, 415102), (130, 207551)]