81778432

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 194261760

約数和(自身を除く): 112483328

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 32, 34, 38, 43, 46, 64, 68, 76, 86, 92, 128, 136, 152, 172, 184, 256, 272, 304, 323, 344, 368, 391, 437, 544, 608, 646, 688, 731, 736, 782, 817, 874, 989, 1088, 1216, 1292, 1376, 1462, 1472, 1564, 1634, 1748, 1978, 2176, 2432, 2584, 2752, 2924, 2944, 3128, 3268, 3496, 3956, 4352, 4864, 5168, 5504, 5848, 5888, 6256, 6536, 6992, 7429, 7912, 10336, 11008, 11696, 12512, 13072, 13889, 13984, 14858, 15824, 16813, 18791, 20672, 23392, 25024, 26144, 27778, 27968, 29716, 31648, 33626, 37582, 41344, 46784, 50048, 52288, 55556, 55936, 59432, 63296, 67252, 75164, 82688, 93568, 100096, 104576, 111112, 111872, 118864, 126592, 134504, 150328, 187136, 209152, 222224, 237728, 253184, 269008, 300656, 319447, 444448, 475456, 538016, 601312, 638894, 888896, 950912, 1076032, 1202624, 1277788, 1777792, 1901824, 2152064, 2405248, 2555576, 3555584, 4304128, 4810496, 5111152, 10222304, 20444608, 40889216, 81778432]

約数ペア:

[(1, 81778432), (2, 40889216), (4, 20444608), (8, 10222304), (16, 5111152), (17, 4810496), (19, 4304128), (23, 3555584), (32, 2555576), (34, 2405248), (38, 2152064), (43, 1901824), (46, 1777792), (64, 1277788), (68, 1202624), (76, 1076032), (86, 950912), (92, 888896), (128, 638894), (136, 601312), (152, 538016), (172, 475456), (184, 444448), (256, 319447), (272, 300656), (304, 269008), (323, 253184), (344, 237728), (368, 222224), (391, 209152), (437, 187136), (544, 150328), (608, 134504), (646, 126592), (688, 118864), (731, 111872), (736, 111112), (782, 104576), (817, 100096), (874, 93568), (989, 82688), (1088, 75164), (1216, 67252), (1292, 63296), (1376, 59432), (1462, 55936), (1472, 55556), (1564, 52288), (1634, 50048), (1748, 46784), (1978, 41344), (2176, 37582), (2432, 33626), (2584, 31648), (2752, 29716), (2924, 27968), (2944, 27778), (3128, 26144), (3268, 25024), (3496, 23392), (3956, 20672), (4352, 18791), (4864, 16813), (5168, 15824), (5504, 14858), (5848, 13984), (5888, 13889), (6256, 13072), (6536, 12512), (6992, 11696), (7429, 11008), (7912, 10336)]