12849221

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 16853760

約数和(自身を除く): 4004539

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 769, 1519, 2387, 5383, 8459, 16709, 23839, 37681, 59213, 166873, 262229, 414491, 1168111, 1835603, 12849221]

約数ペア:

[(1, 12849221), (7, 1835603), (11, 1168111), (31, 414491), (49, 262229), (77, 166873), (217, 59213), (341, 37681), (539, 23839), (769, 16709), (1519, 8459), (2387, 5383)]