239909208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1149

約数の個数: 128

約数和(自身を含む): 754237440

約数和(自身を除く): 514328232

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 131, 132, 154, 168, 231, 262, 264, 308, 393, 462, 524, 616, 786, 917, 924, 991, 1048, 1441, 1572, 1834, 1848, 1982, 2751, 2882, 2973, 3144, 3668, 3964, 4323, 5502, 5764, 5946, 6937, 7336, 7928, 8646, 10087, 10901, 11004, 11528, 11892, 13874, 17292, 20174, 20811, 21802, 22008, 23784, 27748, 30261, 32703, 34584, 40348, 41622, 43604, 55496, 60522, 65406, 76307, 80696, 83244, 87208, 121044, 129821, 130812, 152614, 166488, 228921, 242088, 259642, 261624, 305228, 389463, 457842, 519284, 610456, 778926, 908747, 915684, 1038568, 1428031, 1557852, 1817494, 1831368, 2726241, 2856062, 3115704, 3634988, 4284093, 5452482, 5712124, 7269976, 8568186, 9996217, 10904964, 11424248, 17136372, 19992434, 21809928, 29988651, 34272744, 39984868, 59977302, 79969736, 119954604, 239909208]

約数ペア:

[(1, 239909208), (2, 119954604), (3, 79969736), (4, 59977302), (6, 39984868), (7, 34272744), (8, 29988651), (11, 21809928), (12, 19992434), (14, 17136372), (21, 11424248), (22, 10904964), (24, 9996217), (28, 8568186), (33, 7269976), (42, 5712124), (44, 5452482), (56, 4284093), (66, 3634988), (77, 3115704), (84, 2856062), (88, 2726241), (131, 1831368), (132, 1817494), (154, 1557852), (168, 1428031), (231, 1038568), (262, 915684), (264, 908747), (308, 778926), (393, 610456), (462, 519284), (524, 457842), (616, 389463), (786, 305228), (917, 261624), (924, 259642), (991, 242088), (1048, 228921), (1441, 166488), (1572, 152614), (1834, 130812), (1848, 129821), (1982, 121044), (2751, 87208), (2882, 83244), (2973, 80696), (3144, 76307), (3668, 65406), (3964, 60522), (4323, 55496), (5502, 43604), (5764, 41622), (5946, 40348), (6937, 34584), (7336, 32703), (7928, 30261), (8646, 27748), (10087, 23784), (10901, 22008), (11004, 21802), (11528, 20811), (11892, 20174), (13874, 17292)]