51253664

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 132991488

約数和(自身を除く): 81737824

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 61, 62, 77, 88, 112, 121, 122, 124, 154, 176, 217, 224, 242, 244, 248, 308, 341, 352, 427, 434, 484, 488, 496, 616, 671, 682, 847, 854, 868, 968, 976, 992, 1232, 1342, 1364, 1694, 1708, 1736, 1891, 1936, 1952, 2387, 2464, 2684, 2728, 3388, 3416, 3472, 3751, 3782, 3872, 4697, 4774, 5368, 5456, 6776, 6832, 6944, 7381, 7502, 7564, 9394, 9548, 10736, 10912, 13237, 13552, 13664, 14762, 15004, 15128, 18788, 19096, 20801, 21472, 26257, 26474, 27104, 29524, 30008, 30256, 37576, 38192, 41602, 51667, 52514, 52948, 59048, 60016, 60512, 75152, 76384, 83204, 103334, 105028, 105896, 118096, 120032, 145607, 150304, 166408, 206668, 210056, 211792, 228811, 236192, 291214, 332816, 413336, 420112, 423584, 457622, 582428, 665632, 826672, 840224, 915244, 1164856, 1601677, 1653344, 1830488, 2329712, 3203354, 3660976, 4659424, 6406708, 7321952, 12813416, 25626832, 51253664]

約数ペア:

[(1, 51253664), (2, 25626832), (4, 12813416), (7, 7321952), (8, 6406708), (11, 4659424), (14, 3660976), (16, 3203354), (22, 2329712), (28, 1830488), (31, 1653344), (32, 1601677), (44, 1164856), (56, 915244), (61, 840224), (62, 826672), (77, 665632), (88, 582428), (112, 457622), (121, 423584), (122, 420112), (124, 413336), (154, 332816), (176, 291214), (217, 236192), (224, 228811), (242, 211792), (244, 210056), (248, 206668), (308, 166408), (341, 150304), (352, 145607), (427, 120032), (434, 118096), (484, 105896), (488, 105028), (496, 103334), (616, 83204), (671, 76384), (682, 75152), (847, 60512), (854, 60016), (868, 59048), (968, 52948), (976, 52514), (992, 51667), (1232, 41602), (1342, 38192), (1364, 37576), (1694, 30256), (1708, 30008), (1736, 29524), (1891, 27104), (1936, 26474), (1952, 26257), (2387, 21472), (2464, 20801), (2684, 19096), (2728, 18788), (3388, 15128), (3416, 15004), (3472, 14762), (3751, 13664), (3782, 13552), (3872, 13237), (4697, 10912), (4774, 10736), (5368, 9548), (5456, 9394), (6776, 7564), (6832, 7502), (6944, 7381)]