210065765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 327462912

約数和(自身を除く): 117397147

約数列:

[1, 5, 7, 13, 31, 35, 53, 65, 91, 155, 217, 265, 281, 371, 403, 455, 689, 1085, 1405, 1643, 1855, 1967, 2015, 2821, 3445, 3653, 4823, 8215, 8711, 9835, 11501, 14105, 14893, 18265, 21359, 24115, 25571, 43555, 57505, 60977, 74465, 104251, 106795, 113243, 127855, 149513, 193609, 304885, 461683, 521255, 566215, 747565, 792701, 968045, 1355263, 2308415, 3231781, 3963505, 6001879, 6776315, 16158905, 30009395, 42013153, 210065765]

約数ペア:

[(1, 210065765), (5, 42013153), (7, 30009395), (13, 16158905), (31, 6776315), (35, 6001879), (53, 3963505), (65, 3231781), (91, 2308415), (155, 1355263), (217, 968045), (265, 792701), (281, 747565), (371, 566215), (403, 521255), (455, 461683), (689, 304885), (1085, 193609), (1405, 149513), (1643, 127855), (1855, 113243), (1967, 106795), (2015, 104251), (2821, 74465), (3445, 60977), (3653, 57505), (4823, 43555), (8215, 25571), (8711, 24115), (9835, 21359), (11501, 18265), (14105, 14893)]