51154805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 18518155

約数列:

[1, 5, 13, 31, 53, 65, 155, 265, 403, 479, 689, 1643, 2015, 2395, 3445, 6227, 8215, 14849, 21359, 25387, 31135, 74245, 106795, 126935, 193037, 330031, 786997, 965185, 1650155, 3934985, 10230961, 51154805]

約数ペア:

[(1, 51154805), (5, 10230961), (13, 3934985), (31, 1650155), (53, 965185), (65, 786997), (155, 330031), (265, 193037), (403, 126935), (479, 106795), (689, 74245), (1643, 31135), (2015, 25387), (2395, 21359), (3445, 14849), (6227, 8215)]