219798904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2113451}}^1$

素因数の和:2113470

約数の個数: 16

約数和(自身を含む): 443824920

約数和(自身を除く): 224026016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2113451, 4226902, 8453804, 16907608, 27474863, 54949726, 109899452, 219798904]

約数ペア:

[(1, 219798904), (2, 109899452), (4, 54949726), (8, 27474863), (13, 16907608), (26, 8453804), (52, 4226902), (104, 2113451)]