644403302144

素因数分解:

$2^8\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1825381}}^1$

素因数の和:1825601

約数の個数: 72

約数和(自身を含む): 1477507999968

約数和(自身を除く): 833104697824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 197, 224, 256, 394, 448, 788, 896, 1379, 1576, 1792, 2758, 3152, 5516, 6304, 11032, 12608, 22064, 25216, 44128, 50432, 88256, 176512, 353024, 1825381, 3650762, 7301524, 12777667, 14603048, 25555334, 29206096, 51110668, 58412192, 102221336, 116824384, 204442672, 233648768, 359600057, 408885344, 467297536, 719200114, 817770688, 1438400228, 1635541376, 2517200399, 2876800456, 3271082752, 5034400798, 5753600912, 10068801596, 11507201824, 20137603192, 23014403648, 40275206384, 46028807296, 80550412768, 92057614592, 161100825536, 322201651072, 644403302144]

約数ペア:

[(1, 644403302144), (2, 322201651072), (4, 161100825536), (7, 92057614592), (8, 80550412768), (14, 46028807296), (16, 40275206384), (28, 23014403648), (32, 20137603192), (56, 11507201824), (64, 10068801596), (112, 5753600912), (128, 5034400798), (197, 3271082752), (224, 2876800456), (256, 2517200399), (394, 1635541376), (448, 1438400228), (788, 817770688), (896, 719200114), (1379, 467297536), (1576, 408885344), (1792, 359600057), (2758, 233648768), (3152, 204442672), (5516, 116824384), (6304, 102221336), (11032, 58412192), (12608, 51110668), (22064, 29206096), (25216, 25555334), (44128, 14603048), (50432, 12777667), (88256, 7301524), (176512, 3650762), (353024, 1825381)]