18673670275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1\times {\mathrm{719}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 25179638400

約数和(自身を除く): 6505968125

約数列:

[1, 5, 13, 25, 65, 157, 325, 509, 719, 785, 2041, 2545, 3595, 3925, 6617, 9347, 10205, 12725, 17975, 33085, 46735, 51025, 79913, 112883, 165425, 233675, 365971, 399565, 564415, 1038869, 1467479, 1829855, 1997825, 2822075, 4757623, 5194345, 7337395, 9149275, 23788115, 25971725, 36686975, 57457447, 118940575, 287287235, 746946811, 1436436175, 3734734055, 18673670275]

約数ペア:

[(1, 18673670275), (5, 3734734055), (13, 1436436175), (25, 746946811), (65, 287287235), (157, 118940575), (325, 57457447), (509, 36686975), (719, 25971725), (785, 23788115), (2041, 9149275), (2545, 7337395), (3595, 5194345), (3925, 4757623), (6617, 2822075), (9347, 1997825), (10205, 1829855), (12725, 1467479), (17975, 1038869), (33085, 564415), (46735, 399565), (51025, 365971), (79913, 233675), (112883, 165425)]