163687888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 421917440

約数和(自身を除く): 258229552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 61, 76, 91, 97, 104, 112, 122, 133, 152, 182, 194, 208, 244, 247, 266, 304, 364, 388, 427, 488, 494, 532, 679, 728, 776, 793, 854, 976, 988, 1064, 1159, 1261, 1358, 1456, 1552, 1586, 1708, 1729, 1843, 1976, 2128, 2318, 2522, 2716, 3172, 3416, 3458, 3686, 3952, 4636, 5044, 5432, 5551, 5917, 6344, 6832, 6916, 7372, 8113, 8827, 9272, 10088, 10864, 11102, 11834, 12688, 12901, 13832, 14744, 15067, 16226, 17654, 18544, 20176, 22204, 23668, 23959, 25802, 27664, 29488, 30134, 32452, 35308, 41419, 44408, 47336, 47918, 51604, 60268, 64904, 70616, 76921, 82838, 88816, 94672, 95836, 103208, 105469, 112423, 120536, 129808, 141232, 153842, 165676, 167713, 191672, 206416, 210938, 224846, 241072, 307684, 331352, 335426, 383344, 421876, 449692, 538447, 615368, 662704, 670852, 786961, 843752, 899384, 1076894, 1230736, 1341704, 1461499, 1573922, 1687504, 1798768, 2153788, 2683408, 2922998, 3147844, 4307576, 5845996, 6295688, 8615152, 10230493, 11691992, 12591376, 20460986, 23383984, 40921972, 81843944, 163687888]

約数ペア:

[(1, 163687888), (2, 81843944), (4, 40921972), (7, 23383984), (8, 20460986), (13, 12591376), (14, 11691992), (16, 10230493), (19, 8615152), (26, 6295688), (28, 5845996), (38, 4307576), (52, 3147844), (56, 2922998), (61, 2683408), (76, 2153788), (91, 1798768), (97, 1687504), (104, 1573922), (112, 1461499), (122, 1341704), (133, 1230736), (152, 1076894), (182, 899384), (194, 843752), (208, 786961), (244, 670852), (247, 662704), (266, 615368), (304, 538447), (364, 449692), (388, 421876), (427, 383344), (488, 335426), (494, 331352), (532, 307684), (679, 241072), (728, 224846), (776, 210938), (793, 206416), (854, 191672), (976, 167713), (988, 165676), (1064, 153842), (1159, 141232), (1261, 129808), (1358, 120536), (1456, 112423), (1552, 105469), (1586, 103208), (1708, 95836), (1729, 94672), (1843, 88816), (1976, 82838), (2128, 76921), (2318, 70616), (2522, 64904), (2716, 60268), (3172, 51604), (3416, 47918), (3458, 47336), (3686, 44408), (3952, 41419), (4636, 35308), (5044, 32452), (5432, 30134), (5551, 29488), (5917, 27664), (6344, 25802), (6832, 23959), (6916, 23668), (7372, 22204), (8113, 20176), (8827, 18544), (9272, 17654), (10088, 16226), (10864, 15067), (11102, 14744), (11834, 13832), (12688, 12901)]