20172758123

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{6143}}^1$

素因数の和:6627

約数の個数: 32

約数和(自身を含む): 24505221120

約数和(自身を除く): 4332462997

約数列:

[1, 7, 31, 37, 217, 259, 409, 1147, 2863, 6143, 8029, 12679, 15133, 43001, 88753, 105931, 190433, 227291, 469123, 1333031, 1591037, 2512487, 3283861, 7046021, 17587409, 49322147, 77887097, 92962019, 545209679, 650734133, 2881822589, 20172758123]

約数ペア:

[(1, 20172758123), (7, 2881822589), (31, 650734133), (37, 545209679), (217, 92962019), (259, 77887097), (409, 49322147), (1147, 17587409), (2863, 7046021), (6143, 3283861), (8029, 2512487), (12679, 1591037), (15133, 1333031), (43001, 469123), (88753, 227291), (105931, 190433)]