201990005

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{48497}}^1$

素因数の和:48533

約数の個数: 24

約数和(自身を含む): 298553688

約数和(自身を除く): 96563683

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 48497, 242485, 339479, 824449, 1697395, 2376353, 4122245, 5771143, 11881765, 28855715, 40398001, 201990005]

約数ペア:

[(1, 201990005), (5, 40398001), (7, 28855715), (17, 11881765), (35, 5771143), (49, 4122245), (85, 2376353), (119, 1697395), (245, 824449), (595, 339479), (833, 242485), (4165, 48497)]