1999855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2826

約数の個数: 16

約数和(自身を含む): 2820384

約数和(自身を除く): 820529

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2797, 13985, 30767, 36361, 153835, 181805, 399971, 1999855]

約数ペア:

[(1, 1999855), (5, 399971), (11, 181805), (13, 153835), (55, 36361), (65, 30767), (143, 13985), (715, 2797)]