31778188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1571}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 60081840

約数和(自身を除く): 28303652

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1556, 1571, 3142, 5057, 6284, 10114, 20228, 20423, 40846, 81692, 611119, 1222238, 2444476, 7944547, 15889094, 31778188]

約数ペア:

[(1, 31778188), (2, 15889094), (4, 7944547), (13, 2444476), (26, 1222238), (52, 611119), (389, 81692), (778, 40846), (1556, 20423), (1571, 20228), (3142, 10114), (5057, 6284)]