478536981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 713771520

約数和(自身を除く): 235234539

約数列:

[1, 3, 13, 39, 43, 67, 129, 201, 559, 871, 1677, 2613, 2881, 4259, 8643, 12777, 37453, 55367, 112359, 166101, 183137, 285353, 549411, 856059, 2380781, 3709589, 7142343, 11128767, 12270179, 36810537, 159512327, 478536981]

約数ペア:

[(1, 478536981), (3, 159512327), (13, 36810537), (39, 12270179), (43, 11128767), (67, 7142343), (129, 3709589), (201, 2380781), (559, 856059), (871, 549411), (1677, 285353), (2613, 183137), (2881, 166101), (4259, 112359), (8643, 55367), (12777, 37453)]