138075385

素因数分解:

$5^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{1487}}^1$

素因数の和:1885

約数の個数: 24

約数和(自身を含む): 193380480

約数和(自身を除く): 55305095

約数列:

[1, 5, 7, 35, 49, 245, 379, 1487, 1895, 2653, 7435, 10409, 13265, 18571, 52045, 72863, 92855, 364315, 563573, 2817865, 3945011, 19725055, 27615077, 138075385]

約数ペア:

[(1, 138075385), (5, 27615077), (7, 19725055), (35, 3945011), (49, 2817865), (245, 563573), (379, 364315), (1487, 92855), (1895, 72863), (2653, 52045), (7435, 18571), (10409, 13265)]