257086225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8737}}^1$

素因数の和:8865

約数の個数: 24

約数和(自身を含む): 351057888

約数和(自身を除く): 93971663

約数列:

[1, 5, 11, 25, 55, 107, 275, 535, 1177, 2675, 5885, 8737, 29425, 43685, 96107, 218425, 480535, 934859, 2402675, 4674295, 10283449, 23371475, 51417245, 257086225]

約数ペア:

[(1, 257086225), (5, 51417245), (11, 23371475), (25, 10283449), (55, 4674295), (107, 2402675), (275, 934859), (535, 480535), (1177, 218425), (2675, 96107), (5885, 43685), (8737, 29425)]