218111784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:999

約数の個数: 128

約数和(自身を含む): 635904000

約数和(自身を除く): 417792216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 31, 33, 44, 58, 62, 66, 87, 88, 93, 116, 124, 132, 174, 186, 232, 248, 264, 319, 341, 348, 372, 638, 682, 696, 744, 899, 919, 957, 1023, 1276, 1364, 1798, 1838, 1914, 2046, 2552, 2697, 2728, 2757, 3596, 3676, 3828, 4092, 5394, 5514, 7192, 7352, 7656, 8184, 9889, 10109, 10788, 11028, 19778, 20218, 21576, 22056, 26651, 28489, 29667, 30327, 39556, 40436, 53302, 56978, 59334, 60654, 79112, 79953, 80872, 85467, 106604, 113956, 118668, 121308, 159906, 170934, 213208, 227912, 237336, 242616, 293161, 313379, 319812, 341868, 586322, 626758, 639624, 683736, 826181, 879483, 940137, 1172644, 1253516, 1652362, 1758966, 1880274, 2345288, 2478543, 2507032, 3304724, 3517932, 3760548, 4957086, 6609448, 7035864, 7521096, 9087991, 9914172, 18175982, 19828344, 27263973, 36351964, 54527946, 72703928, 109055892, 218111784]

約数ペア:

[(1, 218111784), (2, 109055892), (3, 72703928), (4, 54527946), (6, 36351964), (8, 27263973), (11, 19828344), (12, 18175982), (22, 9914172), (24, 9087991), (29, 7521096), (31, 7035864), (33, 6609448), (44, 4957086), (58, 3760548), (62, 3517932), (66, 3304724), (87, 2507032), (88, 2478543), (93, 2345288), (116, 1880274), (124, 1758966), (132, 1652362), (174, 1253516), (186, 1172644), (232, 940137), (248, 879483), (264, 826181), (319, 683736), (341, 639624), (348, 626758), (372, 586322), (638, 341868), (682, 319812), (696, 313379), (744, 293161), (899, 242616), (919, 237336), (957, 227912), (1023, 213208), (1276, 170934), (1364, 159906), (1798, 121308), (1838, 118668), (1914, 113956), (2046, 106604), (2552, 85467), (2697, 80872), (2728, 79953), (2757, 79112), (3596, 60654), (3676, 59334), (3828, 56978), (4092, 53302), (5394, 40436), (5514, 39556), (7192, 30327), (7352, 29667), (7656, 28489), (8184, 26651), (9889, 22056), (10109, 21576), (10788, 20218), (11028, 19778)]