215937568

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 553416192

約数和(自身を除く): 337478624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 224, 242, 248, 257, 308, 341, 352, 434, 484, 496, 514, 616, 682, 847, 868, 968, 992, 1028, 1232, 1364, 1694, 1736, 1799, 1936, 2056, 2387, 2464, 2728, 2827, 3388, 3472, 3598, 3751, 3872, 4112, 4774, 5456, 5654, 6776, 6944, 7196, 7502, 7967, 8224, 9548, 10912, 11308, 13552, 14392, 15004, 15934, 19096, 19789, 22616, 26257, 27104, 28784, 30008, 31097, 31868, 38192, 39578, 45232, 52514, 55769, 57568, 60016, 62194, 63736, 76384, 79156, 87637, 90464, 105028, 111538, 120032, 124388, 127472, 158312, 175274, 210056, 217679, 223076, 248776, 254944, 316624, 350548, 420112, 435358, 446152, 497552, 613459, 633248, 701096, 840224, 870716, 892304, 964007, 995104, 1226918, 1402192, 1741432, 1784608, 1928014, 2453836, 2804384, 3482864, 3856028, 4907672, 6748049, 6965728, 7712056, 9815344, 13496098, 15424112, 19630688, 26992196, 30848224, 53984392, 107968784, 215937568]

約数ペア:

[(1, 215937568), (2, 107968784), (4, 53984392), (7, 30848224), (8, 26992196), (11, 19630688), (14, 15424112), (16, 13496098), (22, 9815344), (28, 7712056), (31, 6965728), (32, 6748049), (44, 4907672), (56, 3856028), (62, 3482864), (77, 2804384), (88, 2453836), (112, 1928014), (121, 1784608), (124, 1741432), (154, 1402192), (176, 1226918), (217, 995104), (224, 964007), (242, 892304), (248, 870716), (257, 840224), (308, 701096), (341, 633248), (352, 613459), (434, 497552), (484, 446152), (496, 435358), (514, 420112), (616, 350548), (682, 316624), (847, 254944), (868, 248776), (968, 223076), (992, 217679), (1028, 210056), (1232, 175274), (1364, 158312), (1694, 127472), (1736, 124388), (1799, 120032), (1936, 111538), (2056, 105028), (2387, 90464), (2464, 87637), (2728, 79156), (2827, 76384), (3388, 63736), (3472, 62194), (3598, 60016), (3751, 57568), (3872, 55769), (4112, 52514), (4774, 45232), (5456, 39578), (5654, 38192), (6776, 31868), (6944, 31097), (7196, 30008), (7502, 28784), (7967, 27104), (8224, 26257), (9548, 22616), (10912, 19789), (11308, 19096), (13552, 15934), (14392, 15004)]