198260909

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{367831}}^1$

素因数の和:367856

約数の個数: 12

約数和(自身を含む): 251597088

約数和(自身を除く): 53336179

約数列:

[1, 7, 11, 49, 77, 539, 367831, 2574817, 4046141, 18023719, 28322987, 198260909]

約数ペア:

[(1, 198260909), (7, 28322987), (11, 18023719), (49, 4046141), (77, 2574817), (539, 367831)]