257897376

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:795

約数の個数: 144

約数和(自身を含む): 807625728

約数和(自身を除く): 549728352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 127, 132, 144, 176, 198, 254, 264, 288, 352, 381, 396, 508, 528, 641, 762, 792, 1016, 1056, 1143, 1282, 1397, 1524, 1584, 1923, 2032, 2286, 2564, 2794, 3048, 3168, 3846, 4064, 4191, 4572, 5128, 5588, 5769, 6096, 7051, 7692, 8382, 9144, 10256, 11176, 11538, 12192, 12573, 14102, 15384, 16764, 18288, 20512, 21153, 22352, 23076, 25146, 28204, 30768, 33528, 36576, 42306, 44704, 46152, 50292, 56408, 61536, 63459, 67056, 81407, 84612, 92304, 100584, 112816, 126918, 134112, 162814, 169224, 184608, 201168, 225632, 244221, 253836, 325628, 338448, 402336, 488442, 507672, 651256, 676896, 732663, 895477, 976884, 1015344, 1302512, 1465326, 1790954, 1953768, 2030688, 2605024, 2686431, 2930652, 3581908, 3907536, 5372862, 5861304, 7163816, 7815072, 8059293, 10745724, 11722608, 14327632, 16118586, 21491448, 23445216, 28655264, 32237172, 42982896, 64474344, 85965792, 128948688, 257897376]

約数ペア:

[(1, 257897376), (2, 128948688), (3, 85965792), (4, 64474344), (6, 42982896), (8, 32237172), (9, 28655264), (11, 23445216), (12, 21491448), (16, 16118586), (18, 14327632), (22, 11722608), (24, 10745724), (32, 8059293), (33, 7815072), (36, 7163816), (44, 5861304), (48, 5372862), (66, 3907536), (72, 3581908), (88, 2930652), (96, 2686431), (99, 2605024), (127, 2030688), (132, 1953768), (144, 1790954), (176, 1465326), (198, 1302512), (254, 1015344), (264, 976884), (288, 895477), (352, 732663), (381, 676896), (396, 651256), (508, 507672), (528, 488442), (641, 402336), (762, 338448), (792, 325628), (1016, 253836), (1056, 244221), (1143, 225632), (1282, 201168), (1397, 184608), (1524, 169224), (1584, 162814), (1923, 134112), (2032, 126918), (2286, 112816), (2564, 100584), (2794, 92304), (3048, 84612), (3168, 81407), (3846, 67056), (4064, 63459), (4191, 61536), (4572, 56408), (5128, 50292), (5588, 46152), (5769, 44704), (6096, 42306), (7051, 36576), (7692, 33528), (8382, 30768), (9144, 28204), (10256, 25146), (11176, 23076), (11538, 22352), (12192, 21153), (12573, 20512), (14102, 18288), (15384, 16764)]