1989912696

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2531}}^1$

素因数の和:2645

約数の個数: 128

約数和(自身を含む): 5512872960

約数和(自身を除く): 3522960264

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 41, 47, 51, 68, 82, 94, 102, 123, 136, 141, 164, 188, 204, 246, 282, 328, 376, 408, 492, 564, 697, 799, 984, 1128, 1394, 1598, 1927, 2091, 2397, 2531, 2788, 3196, 3854, 4182, 4794, 5062, 5576, 5781, 6392, 7593, 7708, 8364, 9588, 10124, 11562, 15186, 15416, 16728, 19176, 20248, 23124, 30372, 32759, 43027, 46248, 60744, 65518, 86054, 98277, 103771, 118957, 129081, 131036, 172108, 196554, 207542, 237914, 258162, 262072, 311313, 344216, 356871, 393108, 415084, 475828, 516324, 622626, 713742, 786216, 830168, 951656, 1032648, 1245252, 1427484, 1764107, 2022269, 2490504, 2854968, 3528214, 4044538, 4877237, 5292321, 6066807, 7056428, 8089076, 9754474, 10584642, 12133614, 14112856, 14631711, 16178152, 19508948, 21169284, 24267228, 29263422, 39017896, 42338568, 48534456, 58526844, 82913029, 117053688, 165826058, 248739087, 331652116, 497478174, 663304232, 994956348, 1989912696]

約数ペア:

[(1, 1989912696), (2, 994956348), (3, 663304232), (4, 497478174), (6, 331652116), (8, 248739087), (12, 165826058), (17, 117053688), (24, 82913029), (34, 58526844), (41, 48534456), (47, 42338568), (51, 39017896), (68, 29263422), (82, 24267228), (94, 21169284), (102, 19508948), (123, 16178152), (136, 14631711), (141, 14112856), (164, 12133614), (188, 10584642), (204, 9754474), (246, 8089076), (282, 7056428), (328, 6066807), (376, 5292321), (408, 4877237), (492, 4044538), (564, 3528214), (697, 2854968), (799, 2490504), (984, 2022269), (1128, 1764107), (1394, 1427484), (1598, 1245252), (1927, 1032648), (2091, 951656), (2397, 830168), (2531, 786216), (2788, 713742), (3196, 622626), (3854, 516324), (4182, 475828), (4794, 415084), (5062, 393108), (5576, 356871), (5781, 344216), (6392, 311313), (7593, 262072), (7708, 258162), (8364, 237914), (9588, 207542), (10124, 196554), (11562, 172108), (15186, 131036), (15416, 129081), (16728, 118957), (19176, 103771), (20248, 98277), (23124, 86054), (30372, 65518), (32759, 60744), (43027, 46248)]