1981592928

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{140419}}^1$

素因数の和:140449

約数の個数: 108

約数和(自身を含む): 6555226860

約数和(自身を除く): 4573633932

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 2016, 2352, 3528, 4704, 7056, 14112, 140419, 280838, 421257, 561676, 842514, 982933, 1123352, 1263771, 1685028, 1965866, 2246704, 2527542, 2948799, 3370056, 3931732, 4493408, 5055084, 5897598, 6740112, 6880531, 7863464, 8846397, 10110168, 11795196, 13480224, 13761062, 15726928, 17692794, 20220336, 20641593, 23590392, 27522124, 31453856, 35385588, 40440672, 41283186, 47180784, 55044248, 61924779, 70771176, 82566372, 94361568, 110088496, 123849558, 141542352, 165132744, 220176992, 247699116, 283084704, 330265488, 495398232, 660530976, 990796464, 1981592928]

約数ペア:

[(1, 1981592928), (2, 990796464), (3, 660530976), (4, 495398232), (6, 330265488), (7, 283084704), (8, 247699116), (9, 220176992), (12, 165132744), (14, 141542352), (16, 123849558), (18, 110088496), (21, 94361568), (24, 82566372), (28, 70771176), (32, 61924779), (36, 55044248), (42, 47180784), (48, 41283186), (49, 40440672), (56, 35385588), (63, 31453856), (72, 27522124), (84, 23590392), (96, 20641593), (98, 20220336), (112, 17692794), (126, 15726928), (144, 13761062), (147, 13480224), (168, 11795196), (196, 10110168), (224, 8846397), (252, 7863464), (288, 6880531), (294, 6740112), (336, 5897598), (392, 5055084), (441, 4493408), (504, 3931732), (588, 3370056), (672, 2948799), (784, 2527542), (882, 2246704), (1008, 1965866), (1176, 1685028), (1568, 1263771), (1764, 1123352), (2016, 982933), (2352, 842514), (3528, 561676), (4704, 421257), (7056, 280838), (14112, 140419)]