1639177792

素因数分解:

$2^6\times 7^3\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:961

約数の個数: 112

約数和(自身を含む): 3840480000

約数和(自身を除く): 2201302208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 89, 98, 112, 178, 196, 224, 343, 356, 392, 448, 623, 686, 712, 784, 839, 1246, 1372, 1424, 1568, 1678, 2492, 2744, 2848, 3136, 3356, 4361, 4984, 5488, 5696, 5873, 6712, 8722, 9968, 10976, 11746, 13424, 17444, 19936, 21952, 23492, 26848, 30527, 34888, 39872, 41111, 46984, 53696, 61054, 69776, 74671, 82222, 93968, 122108, 139552, 149342, 164444, 187936, 244216, 279104, 287777, 298684, 328888, 375872, 488432, 522697, 575554, 597368, 657776, 976864, 1045394, 1151108, 1194736, 1315552, 1953728, 2090788, 2302216, 2389472, 2631104, 3658879, 4181576, 4604432, 4778944, 7317758, 8363152, 9208864, 14635516, 16726304, 18417728, 25612153, 29271032, 33452608, 51224306, 58542064, 102448612, 117084128, 204897224, 234168256, 409794448, 819588896, 1639177792]

約数ペア:

[(1, 1639177792), (2, 819588896), (4, 409794448), (7, 234168256), (8, 204897224), (14, 117084128), (16, 102448612), (28, 58542064), (32, 51224306), (49, 33452608), (56, 29271032), (64, 25612153), (89, 18417728), (98, 16726304), (112, 14635516), (178, 9208864), (196, 8363152), (224, 7317758), (343, 4778944), (356, 4604432), (392, 4181576), (448, 3658879), (623, 2631104), (686, 2389472), (712, 2302216), (784, 2090788), (839, 1953728), (1246, 1315552), (1372, 1194736), (1424, 1151108), (1568, 1045394), (1678, 976864), (2492, 657776), (2744, 597368), (2848, 575554), (3136, 522697), (3356, 488432), (4361, 375872), (4984, 328888), (5488, 298684), (5696, 287777), (5873, 279104), (6712, 244216), (8722, 187936), (9968, 164444), (10976, 149342), (11746, 139552), (13424, 122108), (17444, 93968), (19936, 82222), (21952, 74671), (23492, 69776), (26848, 61054), (30527, 53696), (34888, 46984), (39872, 41111)]