28309848

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 87360000

約数和(自身を除く): 59050152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 76, 84, 98, 114, 133, 147, 152, 168, 181, 196, 228, 266, 294, 343, 362, 392, 399, 456, 532, 543, 588, 686, 724, 798, 931, 1029, 1064, 1086, 1176, 1267, 1372, 1448, 1596, 1862, 2058, 2172, 2534, 2744, 2793, 3192, 3439, 3724, 3801, 4116, 4344, 5068, 5586, 6517, 6878, 7448, 7602, 8232, 8869, 10136, 10317, 11172, 13034, 13756, 15204, 17738, 19551, 20634, 22344, 24073, 26068, 26607, 27512, 30408, 35476, 39102, 41268, 48146, 52136, 53214, 62083, 70952, 72219, 78204, 82536, 96292, 106428, 124166, 144438, 156408, 168511, 186249, 192584, 212856, 248332, 288876, 337022, 372498, 496664, 505533, 577752, 674044, 744996, 1011066, 1179577, 1348088, 1489992, 2022132, 2359154, 3538731, 4044264, 4718308, 7077462, 9436616, 14154924, 28309848]

約数ペア:

[(1, 28309848), (2, 14154924), (3, 9436616), (4, 7077462), (6, 4718308), (7, 4044264), (8, 3538731), (12, 2359154), (14, 2022132), (19, 1489992), (21, 1348088), (24, 1179577), (28, 1011066), (38, 744996), (42, 674044), (49, 577752), (56, 505533), (57, 496664), (76, 372498), (84, 337022), (98, 288876), (114, 248332), (133, 212856), (147, 192584), (152, 186249), (168, 168511), (181, 156408), (196, 144438), (228, 124166), (266, 106428), (294, 96292), (343, 82536), (362, 78204), (392, 72219), (399, 70952), (456, 62083), (532, 53214), (543, 52136), (588, 48146), (686, 41268), (724, 39102), (798, 35476), (931, 30408), (1029, 27512), (1064, 26607), (1086, 26068), (1176, 24073), (1267, 22344), (1372, 20634), (1448, 19551), (1596, 17738), (1862, 15204), (2058, 13756), (2172, 13034), (2534, 11172), (2744, 10317), (2793, 10136), (3192, 8869), (3439, 8232), (3724, 7602), (3801, 7448), (4116, 6878), (4344, 6517), (5068, 5586)]