193388545

素因数分解:

$5^1\times 7^4\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 275282280

約数和(自身を除く): 81893735

約数列:

[1, 5, 7, 35, 49, 89, 181, 245, 343, 445, 623, 905, 1267, 1715, 2401, 3115, 4361, 6335, 8869, 12005, 16109, 21805, 30527, 44345, 62083, 80545, 112763, 152635, 213689, 310415, 434581, 563815, 789341, 1068445, 2172905, 3946705, 5525387, 27626935, 38677709, 193388545]

約数ペア:

[(1, 193388545), (5, 38677709), (7, 27626935), (35, 5525387), (49, 3946705), (89, 2172905), (181, 1068445), (245, 789341), (343, 563815), (445, 434581), (623, 310415), (905, 213689), (1267, 152635), (1715, 112763), (2401, 80545), (3115, 62083), (4361, 44345), (6335, 30527), (8869, 21805), (12005, 16109)]