12840420145

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2429597}}^1$

素因数の和:2429760

約数の個数: 16

約数和(自身を含む): 17726347008

約数和(自身を除く): 4885926863

約数列:

[1, 5, 7, 35, 151, 755, 1057, 5285, 2429597, 12147985, 17007179, 85035895, 366869147, 1834345735, 2568084029, 12840420145]

約数ペア:

[(1, 12840420145), (5, 2568084029), (7, 1834345735), (35, 366869147), (151, 85035895), (755, 17007179), (1057, 12147985), (5285, 2429597)]