1278864948

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 3179151360

約数和(自身を除く): 1900286412

約数列:

[1, 2, 3, 4, 6, 12, 31, 41, 62, 82, 93, 123, 124, 164, 186, 191, 246, 372, 382, 439, 492, 573, 764, 878, 1146, 1271, 1317, 1756, 2292, 2542, 2634, 3813, 5084, 5268, 5921, 7626, 7831, 11842, 13609, 15252, 15662, 17763, 17999, 23493, 23684, 27218, 31324, 35526, 35998, 40827, 46986, 53997, 54436, 71052, 71996, 81654, 83849, 93972, 107994, 163308, 167698, 215988, 242761, 251547, 335396, 485522, 503094, 557969, 728283, 971044, 1006188, 1115938, 1456566, 1673907, 2231876, 2599319, 2913132, 3347814, 3437809, 5198638, 6695628, 6875618, 7797957, 10313427, 10397276, 13751236, 15595914, 20626854, 31191828, 41253708, 106572079, 213144158, 319716237, 426288316, 639432474, 1278864948]

約数ペア:

[(1, 1278864948), (2, 639432474), (3, 426288316), (4, 319716237), (6, 213144158), (12, 106572079), (31, 41253708), (41, 31191828), (62, 20626854), (82, 15595914), (93, 13751236), (123, 10397276), (124, 10313427), (164, 7797957), (186, 6875618), (191, 6695628), (246, 5198638), (372, 3437809), (382, 3347814), (439, 2913132), (492, 2599319), (573, 2231876), (764, 1673907), (878, 1456566), (1146, 1115938), (1271, 1006188), (1317, 971044), (1756, 728283), (2292, 557969), (2542, 503094), (2634, 485522), (3813, 335396), (5084, 251547), (5268, 242761), (5921, 215988), (7626, 167698), (7831, 163308), (11842, 107994), (13609, 93972), (15252, 83849), (15662, 81654), (17763, 71996), (17999, 71052), (23493, 54436), (23684, 53997), (27218, 46986), (31324, 40827), (35526, 35998)]