254993455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 336856320

約数和(自身を除く): 81862865

約数列:

[1, 5, 17, 37, 85, 89, 185, 445, 629, 911, 1513, 3145, 3293, 4555, 7565, 15487, 16465, 33707, 55981, 77435, 81079, 168535, 279905, 405395, 573019, 1378343, 2865095, 2999923, 6891715, 14999615, 50998691, 254993455]

約数ペア:

[(1, 254993455), (5, 50998691), (17, 14999615), (37, 6891715), (85, 2999923), (89, 2865095), (185, 1378343), (445, 573019), (629, 405395), (911, 279905), (1513, 168535), (3145, 81079), (3293, 77435), (4555, 55981), (7565, 33707), (15487, 16465)]