65893786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 125706240

約数和(自身を除く): 59812454

約数列:

[1, 2, 7, 14, 19, 31, 38, 61, 62, 122, 131, 133, 217, 262, 266, 427, 434, 589, 854, 917, 1159, 1178, 1834, 1891, 2318, 2489, 3782, 4061, 4123, 4978, 7991, 8113, 8122, 8246, 13237, 15982, 16226, 17423, 26474, 28427, 34846, 35929, 55937, 56854, 71858, 77159, 111874, 151829, 154318, 247721, 251503, 303658, 495442, 503006, 540113, 1062803, 1080226, 1734047, 2125606, 3468094, 4706699, 9413398, 32946893, 65893786]

約数ペア:

[(1, 65893786), (2, 32946893), (7, 9413398), (14, 4706699), (19, 3468094), (31, 2125606), (38, 1734047), (61, 1080226), (62, 1062803), (122, 540113), (131, 503006), (133, 495442), (217, 303658), (262, 251503), (266, 247721), (427, 154318), (434, 151829), (589, 111874), (854, 77159), (917, 71858), (1159, 56854), (1178, 55937), (1834, 35929), (1891, 34846), (2318, 28427), (2489, 26474), (3782, 17423), (4061, 16226), (4123, 15982), (4978, 13237), (7991, 8246), (8113, 8122)]