198556985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97571}}^1$

素因数の和:97624

約数の個数: 16

約数和(自身を含む): 266956992

約数和(自身を除く): 68400007

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 97571, 487855, 1073281, 3610127, 5366405, 18050635, 39711397, 198556985]

約数ペア:

[(1, 198556985), (5, 39711397), (11, 18050635), (37, 5366405), (55, 3610127), (185, 1073281), (407, 487855), (2035, 97571)]