16850281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 21669120

約数和(自身を除く): 4818839

約数列:

[1, 7, 17, 37, 43, 89, 119, 259, 301, 623, 629, 731, 1513, 1591, 3293, 3827, 4403, 5117, 10591, 11137, 23051, 26789, 27047, 55981, 65059, 141599, 189329, 391867, 455413, 991193, 2407183, 16850281]

約数ペア:

[(1, 16850281), (7, 2407183), (17, 991193), (37, 455413), (43, 391867), (89, 189329), (119, 141599), (259, 65059), (301, 55981), (623, 27047), (629, 26789), (731, 23051), (1513, 11137), (1591, 10591), (3293, 5117), (3827, 4403)]