172856992

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 144

約数和(自身を含む): 444419136

約数和(自身を除く): 271562144

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 73, 77, 88, 112, 124, 146, 154, 176, 217, 224, 248, 292, 308, 341, 352, 434, 496, 511, 584, 616, 682, 803, 868, 961, 992, 1022, 1168, 1232, 1364, 1606, 1736, 1922, 2044, 2263, 2336, 2387, 2464, 2728, 3212, 3472, 3844, 4088, 4526, 4774, 5456, 5621, 6424, 6727, 6944, 7688, 8176, 9052, 9548, 10571, 10912, 11242, 12848, 13454, 15376, 15841, 16352, 18104, 19096, 21142, 22484, 24893, 25696, 26908, 30752, 31682, 36208, 38192, 42284, 44968, 49786, 53816, 63364, 70153, 72416, 73997, 76384, 84568, 89936, 99572, 107632, 126728, 140306, 147994, 169136, 174251, 179872, 199144, 215264, 253456, 280612, 295988, 338272, 348502, 398288, 491071, 506912, 561224, 591976, 697004, 771683, 796576, 982142, 1122448, 1183952, 1394008, 1543366, 1964284, 2244896, 2367904, 2788016, 3086732, 3928568, 5401781, 5576032, 6173464, 7857136, 10803562, 12346928, 15714272, 21607124, 24693856, 43214248, 86428496, 172856992]

約数ペア:

[(1, 172856992), (2, 86428496), (4, 43214248), (7, 24693856), (8, 21607124), (11, 15714272), (14, 12346928), (16, 10803562), (22, 7857136), (28, 6173464), (31, 5576032), (32, 5401781), (44, 3928568), (56, 3086732), (62, 2788016), (73, 2367904), (77, 2244896), (88, 1964284), (112, 1543366), (124, 1394008), (146, 1183952), (154, 1122448), (176, 982142), (217, 796576), (224, 771683), (248, 697004), (292, 591976), (308, 561224), (341, 506912), (352, 491071), (434, 398288), (496, 348502), (511, 338272), (584, 295988), (616, 280612), (682, 253456), (803, 215264), (868, 199144), (961, 179872), (992, 174251), (1022, 169136), (1168, 147994), (1232, 140306), (1364, 126728), (1606, 107632), (1736, 99572), (1922, 89936), (2044, 84568), (2263, 76384), (2336, 73997), (2387, 72416), (2464, 70153), (2728, 63364), (3212, 53816), (3472, 49786), (3844, 44968), (4088, 42284), (4526, 38192), (4774, 36208), (5456, 31682), (5621, 30752), (6424, 26908), (6727, 25696), (6944, 24893), (7688, 22484), (8176, 21142), (9052, 19096), (9548, 18104), (10571, 16352), (10912, 15841), (11242, 15376), (12848, 13454)]