165990275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19471}}^1$

素因数の和:19523

約数の個数: 24

約数和(自身を含む): 231794688

約数和(自身を除く): 65804413

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 8525, 19471, 97355, 214181, 486775, 603601, 1070905, 3018005, 5354525, 6639611, 15090025, 33198055, 165990275]

約数ペア:

[(1, 165990275), (5, 33198055), (11, 15090025), (25, 6639611), (31, 5354525), (55, 3018005), (155, 1070905), (275, 603601), (341, 486775), (775, 214181), (1705, 97355), (8525, 19471)]