400207938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{18523}}^1$

素因数の和:18818

約数の個数: 32

約数和(自身を含む): 865144896

約数和(自身を除く): 464936958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 277, 554, 831, 1662, 3601, 7202, 10803, 18523, 21606, 37046, 55569, 111138, 240799, 481598, 722397, 1444794, 5130871, 10261742, 15392613, 30785226, 66701323, 133402646, 200103969, 400207938]

約数ペア:

[(1, 400207938), (2, 200103969), (3, 133402646), (6, 66701323), (13, 30785226), (26, 15392613), (39, 10261742), (78, 5130871), (277, 1444794), (554, 722397), (831, 481598), (1662, 240799), (3601, 111138), (7202, 55569), (10803, 37046), (18523, 21606)]