206860315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 271180800

約数和(自身を除く): 64320485

約数列:

[1, 5, 19, 43, 79, 95, 215, 395, 641, 817, 1501, 3205, 3397, 4085, 7505, 12179, 16985, 27563, 50639, 60895, 64543, 137815, 253195, 322715, 523697, 962141, 2177477, 2618485, 4810705, 10887385, 41372063, 206860315]

約数ペア:

[(1, 206860315), (5, 41372063), (19, 10887385), (43, 4810705), (79, 2618485), (95, 2177477), (215, 962141), (395, 523697), (641, 322715), (817, 253195), (1501, 137815), (3205, 64543), (3397, 60895), (4085, 50639), (7505, 27563), (12179, 16985)]