25205565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 25758915

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 139, 157, 165, 231, 385, 417, 471, 695, 785, 973, 1099, 1155, 1529, 1727, 2085, 2355, 2919, 3297, 4587, 4865, 5181, 5495, 7645, 8635, 10703, 12089, 14595, 16485, 21823, 22935, 25905, 32109, 36267, 53515, 60445, 65469, 109115, 152761, 160545, 181335, 240053, 327345, 458283, 720159, 763805, 1200265, 1680371, 2291415, 3600795, 5041113, 8401855, 25205565]

約数ペア:

[(1, 25205565), (3, 8401855), (5, 5041113), (7, 3600795), (11, 2291415), (15, 1680371), (21, 1200265), (33, 763805), (35, 720159), (55, 458283), (77, 327345), (105, 240053), (139, 181335), (157, 160545), (165, 152761), (231, 109115), (385, 65469), (417, 60445), (471, 53515), (695, 36267), (785, 32109), (973, 25905), (1099, 22935), (1155, 21823), (1529, 16485), (1727, 14595), (2085, 12089), (2355, 10703), (2919, 8635), (3297, 7645), (4587, 5495), (4865, 5181)]