201651665

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 256483584

約数和(自身を除く): 54831919

約数列:

[1, 5, 37, 61, 107, 167, 185, 305, 535, 835, 2257, 3959, 6179, 6527, 10187, 11285, 17869, 19795, 30895, 32635, 50935, 89345, 241499, 376919, 661153, 1090009, 1207495, 1884595, 3305765, 5450045, 40330333, 201651665]

約数ペア:

[(1, 201651665), (5, 40330333), (37, 5450045), (61, 3305765), (107, 1884595), (167, 1207495), (185, 1090009), (305, 661153), (535, 376919), (835, 241499), (2257, 89345), (3959, 50935), (6179, 32635), (6527, 30895), (10187, 19795), (11285, 17869)]