28267271508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{81619}}^1$

素因数の和:81690

約数の個数: 144

約数和(自身を含む): 83369932800

約数和(自身を除く): 55102661292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 651, 798, 868, 931, 1178, 1302, 1519, 1596, 1767, 1862, 2356, 2604, 2793, 3038, 3534, 3724, 4123, 4557, 5586, 6076, 7068, 8246, 9114, 11172, 12369, 16492, 18228, 24738, 28861, 49476, 57722, 81619, 86583, 115444, 163238, 173166, 244857, 326476, 346332, 489714, 571333, 979428, 1142666, 1550761, 1713999, 2285332, 2530189, 3101522, 3427998, 3999331, 4652283, 5060378, 6203044, 6855996, 7590567, 7998662, 9304566, 10120756, 10855327, 11997993, 15181134, 15997324, 17711323, 18609132, 21710654, 23995986, 30362268, 32565981, 35422646, 43421308, 47991972, 48073591, 53133969, 65131962, 70845292, 75987289, 96147182, 106267938, 123979261, 130263924, 144220773, 151974578, 192294364, 212535876, 227961867, 247958522, 288441546, 303949156, 336515137, 371937783, 455923734, 495917044, 576883092, 673030274, 743875566, 911847468, 1009545411, 1346060548, 1487751132, 2019090822, 2355605959, 4038181644, 4711211918, 7066817877, 9422423836, 14133635754, 28267271508]

約数ペア:

[(1, 28267271508), (2, 14133635754), (3, 9422423836), (4, 7066817877), (6, 4711211918), (7, 4038181644), (12, 2355605959), (14, 2019090822), (19, 1487751132), (21, 1346060548), (28, 1009545411), (31, 911847468), (38, 743875566), (42, 673030274), (49, 576883092), (57, 495917044), (62, 455923734), (76, 371937783), (84, 336515137), (93, 303949156), (98, 288441546), (114, 247958522), (124, 227961867), (133, 212535876), (147, 192294364), (186, 151974578), (196, 144220773), (217, 130263924), (228, 123979261), (266, 106267938), (294, 96147182), (372, 75987289), (399, 70845292), (434, 65131962), (532, 53133969), (588, 48073591), (589, 47991972), (651, 43421308), (798, 35422646), (868, 32565981), (931, 30362268), (1178, 23995986), (1302, 21710654), (1519, 18609132), (1596, 17711323), (1767, 15997324), (1862, 15181134), (2356, 11997993), (2604, 10855327), (2793, 10120756), (3038, 9304566), (3534, 7998662), (3724, 7590567), (4123, 6855996), (4557, 6203044), (5586, 5060378), (6076, 4652283), (7068, 3999331), (8246, 3427998), (9114, 3101522), (11172, 2530189), (12369, 2285332), (16492, 1713999), (18228, 1550761), (24738, 1142666), (28861, 979428), (49476, 571333), (57722, 489714), (81619, 346332), (86583, 326476), (115444, 244857), (163238, 173166)]