247481390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1903703}}^1$

素因数の和:1903723

約数の個数: 16

約数和(自身を含む): 479733408

約数和(自身を除く): 232252018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1903703, 3807406, 9518515, 19037030, 24748139, 49496278, 123740695, 247481390]

約数ペア:

[(1, 247481390), (2, 123740695), (5, 49496278), (10, 24748139), (13, 19037030), (26, 9518515), (65, 3807406), (130, 1903703)]