7280390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56003}}^1$

素因数の和:56023

約数の個数: 16

約数和(自身を含む): 14113008

約数和(自身を除く): 6832618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 56003, 112006, 280015, 560030, 728039, 1456078, 3640195, 7280390]

約数ペア:

[(1, 7280390), (2, 3640195), (5, 1456078), (10, 728039), (13, 560030), (26, 280015), (65, 112006), (130, 56003)]