205000985

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{188941}}^1$

素因数の和:188984

約数の個数: 16

約数和(自身を含む): 290214912

約数和(自身を除く): 85213927

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 188941, 944705, 1322587, 5857171, 6612935, 29285855, 41000197, 205000985]

約数ペア:

[(1, 205000985), (5, 41000197), (7, 29285855), (31, 6612935), (35, 5857171), (155, 1322587), (217, 944705), (1085, 188941)]