217593712

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 80

約数和(自身を含む): 507904000

約数和(自身を除く): 290310288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 784, 868, 1279, 1372, 1519, 1736, 2558, 2744, 3038, 3472, 5116, 5488, 6076, 8953, 10232, 10633, 12152, 17906, 20464, 21266, 24304, 35812, 39649, 42532, 62671, 71624, 79298, 85064, 125342, 143248, 158596, 170128, 250684, 277543, 317192, 438697, 501368, 555086, 634384, 877394, 1002736, 1110172, 1754788, 1942801, 2220344, 3509576, 3885602, 4440688, 7019152, 7771204, 13599607, 15542408, 27199214, 31084816, 54398428, 108796856, 217593712]

約数ペア:

[(1, 217593712), (2, 108796856), (4, 54398428), (7, 31084816), (8, 27199214), (14, 15542408), (16, 13599607), (28, 7771204), (31, 7019152), (49, 4440688), (56, 3885602), (62, 3509576), (98, 2220344), (112, 1942801), (124, 1754788), (196, 1110172), (217, 1002736), (248, 877394), (343, 634384), (392, 555086), (434, 501368), (496, 438697), (686, 317192), (784, 277543), (868, 250684), (1279, 170128), (1372, 158596), (1519, 143248), (1736, 125342), (2558, 85064), (2744, 79298), (3038, 71624), (3472, 62671), (5116, 42532), (5488, 39649), (6076, 35812), (8953, 24304), (10232, 21266), (10633, 20464), (12152, 17906)]