990265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 1267200

約数和(自身を除く): 276935

約数列:

[1, 5, 23, 79, 109, 115, 395, 545, 1817, 2507, 8611, 9085, 12535, 43055, 198053, 990265]

約数ペア:

[(1, 990265), (5, 198053), (23, 43055), (79, 12535), (109, 9085), (115, 8611), (395, 2507), (545, 1817)]