257246928

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 200

約数和(自身を含む): 811416320

約数和(自身を除く): 554169392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 36, 38, 48, 54, 57, 62, 72, 76, 81, 93, 108, 114, 124, 144, 152, 162, 171, 186, 216, 228, 248, 279, 304, 324, 337, 342, 372, 432, 456, 496, 513, 558, 589, 648, 674, 684, 744, 837, 912, 1011, 1026, 1116, 1178, 1296, 1348, 1368, 1488, 1539, 1674, 1767, 2022, 2052, 2232, 2356, 2511, 2696, 2736, 3033, 3078, 3348, 3534, 4044, 4104, 4464, 4712, 5022, 5301, 5392, 6066, 6156, 6403, 6696, 7068, 8088, 8208, 9099, 9424, 10044, 10447, 10602, 12132, 12312, 12806, 13392, 14136, 15903, 16176, 18198, 19209, 20088, 20894, 21204, 24264, 24624, 25612, 27297, 28272, 31341, 31806, 36396, 38418, 40176, 41788, 42408, 47709, 48528, 51224, 54594, 57627, 62682, 63612, 72792, 76836, 83576, 84816, 94023, 95418, 102448, 109188, 115254, 125364, 127224, 145584, 153672, 167152, 172881, 188046, 190836, 198493, 218376, 230508, 250728, 254448, 282069, 307344, 345762, 376092, 381672, 396986, 436752, 461016, 501456, 518643, 564138, 595479, 691524, 752184, 763344, 793972, 846207, 922032, 1037286, 1128276, 1190958, 1383048, 1504368, 1587944, 1692414, 1786437, 2074572, 2256552, 2381916, 2766096, 3175888, 3384828, 3572874, 4149144, 4513104, 4763832, 5359311, 6769656, 7145748, 8298288, 9527664, 10718622, 13539312, 14291496, 16077933, 21437244, 28582992, 32155866, 42874488, 64311732, 85748976, 128623464, 257246928]

約数ペア:

[(1, 257246928), (2, 128623464), (3, 85748976), (4, 64311732), (6, 42874488), (8, 32155866), (9, 28582992), (12, 21437244), (16, 16077933), (18, 14291496), (19, 13539312), (24, 10718622), (27, 9527664), (31, 8298288), (36, 7145748), (38, 6769656), (48, 5359311), (54, 4763832), (57, 4513104), (62, 4149144), (72, 3572874), (76, 3384828), (81, 3175888), (93, 2766096), (108, 2381916), (114, 2256552), (124, 2074572), (144, 1786437), (152, 1692414), (162, 1587944), (171, 1504368), (186, 1383048), (216, 1190958), (228, 1128276), (248, 1037286), (279, 922032), (304, 846207), (324, 793972), (337, 763344), (342, 752184), (372, 691524), (432, 595479), (456, 564138), (496, 518643), (513, 501456), (558, 461016), (589, 436752), (648, 396986), (674, 381672), (684, 376092), (744, 345762), (837, 307344), (912, 282069), (1011, 254448), (1026, 250728), (1116, 230508), (1178, 218376), (1296, 198493), (1348, 190836), (1368, 188046), (1488, 172881), (1539, 167152), (1674, 153672), (1767, 145584), (2022, 127224), (2052, 125364), (2232, 115254), (2356, 109188), (2511, 102448), (2696, 95418), (2736, 94023), (3033, 84816), (3078, 83576), (3348, 76836), (3534, 72792), (4044, 63612), (4104, 62682), (4464, 57627), (4712, 54594), (5022, 51224), (5301, 48528), (5392, 47709), (6066, 42408), (6156, 41788), (6403, 40176), (6696, 38418), (7068, 36396), (8088, 31806), (8208, 31341), (9099, 28272), (9424, 27297), (10044, 25612), (10447, 24624), (10602, 24264), (12132, 21204), (12312, 20894), (12806, 20088), (13392, 19209), (14136, 18198), (15903, 16176)]