220335215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1\times {\mathrm{2011}}^1$

素因数の和:3322

約数の個数: 16

約数和(自身を含む): 280311840

約数和(自身を除く): 59976625

約数列:

[1, 5, 17, 85, 1289, 2011, 6445, 10055, 21913, 34187, 109565, 170935, 2592179, 12960895, 44067043, 220335215]

約数ペア:

[(1, 220335215), (5, 44067043), (17, 12960895), (85, 2592179), (1289, 170935), (2011, 109565), (6445, 34187), (10055, 21913)]