257429536

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 647328024

約数和(自身を除く): 389898488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 73, 91, 98, 104, 112, 146, 173, 182, 196, 208, 224, 292, 346, 364, 392, 416, 511, 584, 637, 692, 728, 784, 949, 1022, 1168, 1211, 1274, 1384, 1456, 1568, 1898, 2044, 2249, 2336, 2422, 2548, 2768, 2912, 3577, 3796, 4088, 4498, 4844, 5096, 5536, 6643, 7154, 7592, 8176, 8477, 8996, 9688, 10192, 12629, 13286, 14308, 15184, 15743, 16352, 16954, 17992, 19376, 20384, 25258, 26572, 28616, 30368, 31486, 33908, 35984, 38752, 46501, 50516, 53144, 57232, 62972, 67816, 71968, 88403, 93002, 101032, 106288, 110201, 114464, 125944, 135632, 164177, 176806, 186004, 202064, 212576, 220402, 251888, 271264, 328354, 353612, 372008, 404128, 440804, 503776, 618821, 656708, 707224, 744016, 881608, 1149239, 1237642, 1313416, 1414448, 1488032, 1763216, 2298478, 2475284, 2626832, 2828896, 3526432, 4596956, 4950568, 5253664, 8044673, 9193912, 9901136, 16089346, 18387824, 19802272, 32178692, 36775648, 64357384, 128714768, 257429536]

約数ペア:

[(1, 257429536), (2, 128714768), (4, 64357384), (7, 36775648), (8, 32178692), (13, 19802272), (14, 18387824), (16, 16089346), (26, 9901136), (28, 9193912), (32, 8044673), (49, 5253664), (52, 4950568), (56, 4596956), (73, 3526432), (91, 2828896), (98, 2626832), (104, 2475284), (112, 2298478), (146, 1763216), (173, 1488032), (182, 1414448), (196, 1313416), (208, 1237642), (224, 1149239), (292, 881608), (346, 744016), (364, 707224), (392, 656708), (416, 618821), (511, 503776), (584, 440804), (637, 404128), (692, 372008), (728, 353612), (784, 328354), (949, 271264), (1022, 251888), (1168, 220402), (1211, 212576), (1274, 202064), (1384, 186004), (1456, 176806), (1568, 164177), (1898, 135632), (2044, 125944), (2249, 114464), (2336, 110201), (2422, 106288), (2548, 101032), (2768, 93002), (2912, 88403), (3577, 71968), (3796, 67816), (4088, 62972), (4498, 57232), (4844, 53144), (5096, 50516), (5536, 46501), (6643, 38752), (7154, 35984), (7592, 33908), (8176, 31486), (8477, 30368), (8996, 28616), (9688, 26572), (10192, 25258), (12629, 20384), (13286, 19376), (14308, 17992), (15184, 16954), (15743, 16352)]