209540935

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 268646400

約数和(自身を除く): 59105465

約数列:

[1, 5, 31, 43, 149, 155, 211, 215, 745, 1055, 1333, 4619, 6407, 6541, 6665, 9073, 23095, 31439, 32035, 32705, 45365, 157195, 198617, 281263, 974609, 993085, 1351877, 1406315, 4873045, 6759385, 41908187, 209540935]

約数ペア:

[(1, 209540935), (5, 41908187), (31, 6759385), (43, 4873045), (149, 1406315), (155, 1351877), (211, 993085), (215, 974609), (745, 281263), (1055, 198617), (1333, 157195), (4619, 45365), (6407, 32705), (6541, 32035), (6665, 31439), (9073, 23095)]