12240865

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26903}}^1$

素因数の和:26928

約数の個数: 16

約数和(自身を含む): 18079488

約数和(自身を除く): 5838623

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 26903, 134515, 188321, 349739, 941605, 1748695, 2448173, 12240865]

約数ペア:

[(1, 12240865), (5, 2448173), (7, 1748695), (13, 941605), (35, 349739), (65, 188321), (91, 134515), (455, 26903)]