28211036161

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1\times {\mathrm{2719}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 35495608320

約数和(自身を除く): 7284572159

約数列:

[1, 7, 11, 77, 127, 889, 1061, 1397, 2719, 7427, 9779, 11671, 19033, 29909, 81697, 134747, 209363, 345313, 943229, 1482217, 2417191, 2884859, 3798443, 10375519, 20194013, 26589101, 31733449, 222134143, 366377093, 2564639651, 4030148023, 28211036161]

約数ペア:

[(1, 28211036161), (7, 4030148023), (11, 2564639651), (77, 366377093), (127, 222134143), (889, 31733449), (1061, 26589101), (1397, 20194013), (2719, 10375519), (7427, 3798443), (9779, 2884859), (11671, 2417191), (19033, 1482217), (29909, 943229), (81697, 345313), (134747, 209363)]