25506481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 9265487

約数列:

[1, 7, 11, 13, 77, 83, 91, 143, 307, 581, 913, 1001, 1079, 2149, 3377, 3991, 6391, 7553, 11869, 23639, 25481, 27937, 43901, 83083, 178367, 280291, 307307, 331253, 1962037, 2318771, 3643783, 25506481]

約数ペア:

[(1, 25506481), (7, 3643783), (11, 2318771), (13, 1962037), (77, 331253), (83, 307307), (91, 280291), (143, 178367), (307, 83083), (581, 43901), (913, 27937), (1001, 25481), (1079, 23639), (2149, 11869), (3377, 7553), (3991, 6391)]