28414519

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 7873481

約数列:

[1, 7, 19, 29, 53, 133, 139, 203, 371, 551, 973, 1007, 1537, 2641, 3857, 4031, 7049, 7367, 10759, 18487, 28217, 29203, 51569, 76589, 139973, 204421, 213643, 536123, 979811, 1495501, 4059217, 28414519]

約数ペア:

[(1, 28414519), (7, 4059217), (19, 1495501), (29, 979811), (53, 536123), (133, 213643), (139, 204421), (203, 139973), (371, 76589), (551, 51569), (973, 29203), (1007, 28217), (1537, 18487), (2641, 10759), (3857, 7367), (4031, 7049)]