17967385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 24377760

約数和(自身を除く): 6410375

約数列:

[1, 5, 17, 29, 37, 85, 145, 185, 197, 493, 629, 985, 1073, 2465, 3145, 3349, 5365, 5713, 7289, 16745, 18241, 28565, 36445, 91205, 97121, 123913, 211381, 485605, 619565, 1056905, 3593477, 17967385]

約数ペア:

[(1, 17967385), (5, 3593477), (17, 1056905), (29, 619565), (37, 485605), (85, 211381), (145, 123913), (185, 97121), (197, 91205), (493, 36445), (629, 28565), (985, 18241), (1073, 16745), (2465, 7289), (3145, 5713), (3349, 5365)]