257735808

素因数分解:

$2^7\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^2$

素因数の和:128

約数の個数: 216

約数和(自身を含む): 834614235

約数和(自身を除く): 576878427

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 43, 44, 48, 64, 66, 72, 86, 88, 96, 99, 121, 128, 129, 132, 144, 172, 176, 192, 198, 242, 258, 264, 288, 344, 352, 363, 384, 387, 396, 473, 484, 516, 528, 576, 688, 704, 726, 774, 792, 946, 968, 1032, 1056, 1089, 1152, 1376, 1408, 1419, 1452, 1548, 1584, 1849, 1892, 1936, 2064, 2112, 2178, 2752, 2838, 2904, 3096, 3168, 3698, 3784, 3872, 4128, 4224, 4257, 4356, 5203, 5504, 5547, 5676, 5808, 6192, 6336, 7396, 7568, 7744, 8256, 8514, 8712, 10406, 11094, 11352, 11616, 12384, 12672, 14792, 15136, 15488, 15609, 16512, 16641, 17028, 17424, 20339, 20812, 22188, 22704, 23232, 24768, 29584, 30272, 31218, 33282, 34056, 34848, 40678, 41624, 44376, 45408, 46464, 46827, 49536, 59168, 60544, 61017, 62436, 66564, 68112, 69696, 81356, 83248, 88752, 90816, 93654, 118336, 122034, 124872, 133128, 136224, 139392, 162712, 166496, 177504, 181632, 183051, 187308, 223729, 236672, 244068, 249744, 266256, 272448, 325424, 332992, 355008, 366102, 374616, 447458, 488136, 499488, 532512, 544896, 650848, 665984, 671187, 710016, 732204, 749232, 894916, 976272, 998976, 1065024, 1301696, 1342374, 1464408, 1498464, 1789832, 1952544, 1997952, 2013561, 2130048, 2603392, 2684748, 2928816, 2996928, 3579664, 3905088, 4027122, 5369496, 5857632, 5993856, 7159328, 7810176, 8054244, 10738992, 11715264, 14318656, 16108488, 21477984, 23430528, 28637312, 32216976, 42955968, 64433952, 85911936, 128867904, 257735808]

約数ペア:

[(1, 257735808), (2, 128867904), (3, 85911936), (4, 64433952), (6, 42955968), (8, 32216976), (9, 28637312), (11, 23430528), (12, 21477984), (16, 16108488), (18, 14318656), (22, 11715264), (24, 10738992), (32, 8054244), (33, 7810176), (36, 7159328), (43, 5993856), (44, 5857632), (48, 5369496), (64, 4027122), (66, 3905088), (72, 3579664), (86, 2996928), (88, 2928816), (96, 2684748), (99, 2603392), (121, 2130048), (128, 2013561), (129, 1997952), (132, 1952544), (144, 1789832), (172, 1498464), (176, 1464408), (192, 1342374), (198, 1301696), (242, 1065024), (258, 998976), (264, 976272), (288, 894916), (344, 749232), (352, 732204), (363, 710016), (384, 671187), (387, 665984), (396, 650848), (473, 544896), (484, 532512), (516, 499488), (528, 488136), (576, 447458), (688, 374616), (704, 366102), (726, 355008), (774, 332992), (792, 325424), (946, 272448), (968, 266256), (1032, 249744), (1056, 244068), (1089, 236672), (1152, 223729), (1376, 187308), (1408, 183051), (1419, 181632), (1452, 177504), (1548, 166496), (1584, 162712), (1849, 139392), (1892, 136224), (1936, 133128), (2064, 124872), (2112, 122034), (2178, 118336), (2752, 93654), (2838, 90816), (2904, 88752), (3096, 83248), (3168, 81356), (3698, 69696), (3784, 68112), (3872, 66564), (4128, 62436), (4224, 61017), (4257, 60544), (4356, 59168), (5203, 49536), (5504, 46827), (5547, 46464), (5676, 45408), (5808, 44376), (6192, 41624), (6336, 40678), (7396, 34848), (7568, 34056), (7744, 33282), (8256, 31218), (8514, 30272), (8712, 29584), (10406, 24768), (11094, 23232), (11352, 22704), (11616, 22188), (12384, 20812), (12672, 20339), (14792, 17424), (15136, 17028), (15488, 16641), (15609, 16512)]