397463927

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 500281344

約数和(自身を除く): 102817417

約数列:

[1, 7, 17, 31, 119, 163, 217, 527, 661, 1141, 2771, 3689, 4627, 5053, 11237, 19397, 20491, 35371, 78659, 85901, 107743, 143437, 348347, 601307, 754201, 1831631, 2438429, 3340033, 12821417, 23380231, 56780561, 397463927]

約数ペア:

[(1, 397463927), (7, 56780561), (17, 23380231), (31, 12821417), (119, 3340033), (163, 2438429), (217, 1831631), (527, 754201), (661, 601307), (1141, 348347), (2771, 143437), (3689, 107743), (4627, 85901), (5053, 78659), (11237, 35371), (19397, 20491)]