261761753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 305690112

約数和(自身を除く): 43928359

約数列:

[1, 11, 41, 47, 53, 233, 451, 517, 583, 1927, 2173, 2491, 2563, 9553, 10951, 12349, 21197, 23903, 27401, 102131, 105083, 120461, 135839, 448991, 506309, 580403, 1123441, 4938901, 5569399, 6384433, 23796523, 261761753]

約数ペア:

[(1, 261761753), (11, 23796523), (41, 6384433), (47, 5569399), (53, 4938901), (233, 1123441), (451, 580403), (517, 506309), (583, 448991), (1927, 135839), (2173, 120461), (2491, 105083), (2563, 102131), (9553, 27401), (10951, 23903), (12349, 21197)]