51820615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 77967360

約数和(自身を除く): 26146745

約数列:

[1, 5, 7, 11, 35, 55, 77, 281, 385, 479, 1405, 1967, 2395, 3091, 3353, 5269, 9835, 15455, 16765, 21637, 26345, 36883, 108185, 134599, 184415, 672995, 942193, 1480589, 4710965, 7402945, 10364123, 51820615]

約数ペア:

[(1, 51820615), (5, 10364123), (7, 7402945), (11, 4710965), (35, 1480589), (55, 942193), (77, 672995), (281, 184415), (385, 134599), (479, 108185), (1405, 36883), (1967, 26345), (2395, 21637), (3091, 16765), (3353, 15455), (5269, 9835)]