28293545

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 12349015

約数列:

[1, 5, 7, 31, 35, 89, 155, 217, 293, 445, 623, 1085, 1465, 2051, 2759, 3115, 9083, 10255, 13795, 19313, 26077, 45415, 63581, 96565, 130385, 182539, 317905, 808387, 912695, 4041935, 5658709, 28293545]

約数ペア:

[(1, 28293545), (5, 5658709), (7, 4041935), (31, 912695), (35, 808387), (89, 317905), (155, 182539), (217, 130385), (293, 96565), (445, 63581), (623, 45415), (1085, 26077), (1465, 19313), (2051, 13795), (2759, 10255), (3115, 9083)]