261452305

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 330739200

約数和(自身を除く): 69286895

約数列:

[1, 5, 47, 59, 109, 173, 235, 295, 545, 865, 2773, 5123, 6431, 8131, 10207, 13865, 18857, 25615, 32155, 40655, 51035, 94285, 302257, 479729, 886279, 1112563, 1511285, 2398645, 4431395, 5562815, 52290461, 261452305]

約数ペア:

[(1, 261452305), (5, 52290461), (47, 5562815), (59, 4431395), (109, 2398645), (173, 1511285), (235, 1112563), (295, 886279), (545, 479729), (865, 302257), (2773, 94285), (5123, 51035), (6431, 40655), (8131, 32155), (10207, 25615), (13865, 18857)]