2016989905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{22751}}^1$

素因数の和:22929

約数の個数: 32

約数和(自身を含む): 2948659200

約数和(自身を除く): 931669295

約数列:

[1, 5, 7, 17, 35, 85, 119, 149, 595, 745, 1043, 2533, 5215, 12665, 17731, 22751, 88655, 113755, 159257, 386767, 796285, 1933835, 2707369, 3389899, 13536845, 16949495, 23729293, 57628283, 118646465, 288141415, 403397981, 2016989905]

約数ペア:

[(1, 2016989905), (5, 403397981), (7, 288141415), (17, 118646465), (35, 57628283), (85, 23729293), (119, 16949495), (149, 13536845), (595, 3389899), (745, 2707369), (1043, 1933835), (2533, 796285), (5215, 386767), (12665, 159257), (17731, 113755), (22751, 88655)]