173779168

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 408481920

約数和(自身を除く): 234702752

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 32, 34, 38, 43, 46, 68, 76, 86, 92, 136, 152, 172, 184, 272, 289, 304, 323, 344, 368, 391, 437, 544, 578, 608, 646, 688, 731, 736, 782, 817, 874, 989, 1156, 1292, 1376, 1462, 1564, 1634, 1748, 1978, 2312, 2584, 2924, 3128, 3268, 3496, 3956, 4624, 5168, 5491, 5848, 6256, 6536, 6647, 6992, 7429, 7912, 9248, 10336, 10982, 11696, 12427, 12512, 13072, 13294, 13889, 13984, 14858, 15824, 16813, 18791, 21964, 23392, 24854, 26144, 26588, 27778, 29716, 31648, 33626, 37582, 43928, 49708, 53176, 55556, 59432, 67252, 75164, 87856, 99416, 106352, 111112, 118864, 126293, 134504, 150328, 175712, 198832, 212704, 222224, 236113, 237728, 252586, 269008, 285821, 300656, 319447, 397664, 444448, 472226, 505172, 538016, 571642, 601312, 638894, 944452, 1010344, 1143284, 1277788, 1888904, 2020688, 2286568, 2555576, 3777808, 4041376, 4573136, 5111152, 5430599, 7555616, 9146272, 10222304, 10861198, 21722396, 43444792, 86889584, 173779168]

約数ペア:

[(1, 173779168), (2, 86889584), (4, 43444792), (8, 21722396), (16, 10861198), (17, 10222304), (19, 9146272), (23, 7555616), (32, 5430599), (34, 5111152), (38, 4573136), (43, 4041376), (46, 3777808), (68, 2555576), (76, 2286568), (86, 2020688), (92, 1888904), (136, 1277788), (152, 1143284), (172, 1010344), (184, 944452), (272, 638894), (289, 601312), (304, 571642), (323, 538016), (344, 505172), (368, 472226), (391, 444448), (437, 397664), (544, 319447), (578, 300656), (608, 285821), (646, 269008), (688, 252586), (731, 237728), (736, 236113), (782, 222224), (817, 212704), (874, 198832), (989, 175712), (1156, 150328), (1292, 134504), (1376, 126293), (1462, 118864), (1564, 111112), (1634, 106352), (1748, 99416), (1978, 87856), (2312, 75164), (2584, 67252), (2924, 59432), (3128, 55556), (3268, 53176), (3496, 49708), (3956, 43928), (4624, 37582), (5168, 33626), (5491, 31648), (5848, 29716), (6256, 27778), (6536, 26588), (6647, 26144), (6992, 24854), (7429, 23392), (7912, 21964), (9248, 18791), (10336, 16813), (10982, 15824), (11696, 14858), (12427, 13984), (12512, 13889), (13072, 13294)]