1288808192

素因数分解:

$2^8\times 7^2\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:966

約数の個数: 108

約数和(自身を含む): 3019887360

約数和(自身を除く): 1731079168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 127, 128, 196, 224, 254, 256, 392, 448, 508, 784, 809, 889, 896, 1016, 1568, 1618, 1778, 1792, 2032, 3136, 3236, 3556, 4064, 5663, 6223, 6272, 6472, 7112, 8128, 11326, 12446, 12544, 12944, 14224, 16256, 22652, 24892, 25888, 28448, 32512, 39641, 45304, 49784, 51776, 56896, 79282, 90608, 99568, 102743, 103552, 113792, 158564, 181216, 199136, 205486, 207104, 227584, 317128, 362432, 398272, 410972, 634256, 719201, 724864, 796544, 821944, 1268512, 1438402, 1449728, 1593088, 1643888, 2537024, 2876804, 3287776, 5034407, 5074048, 5753608, 6575552, 10068814, 10148096, 11507216, 13151104, 20137628, 23014432, 26302208, 40275256, 46028864, 80550512, 92057728, 161101024, 184115456, 322202048, 644404096, 1288808192]

約数ペア:

[(1, 1288808192), (2, 644404096), (4, 322202048), (7, 184115456), (8, 161101024), (14, 92057728), (16, 80550512), (28, 46028864), (32, 40275256), (49, 26302208), (56, 23014432), (64, 20137628), (98, 13151104), (112, 11507216), (127, 10148096), (128, 10068814), (196, 6575552), (224, 5753608), (254, 5074048), (256, 5034407), (392, 3287776), (448, 2876804), (508, 2537024), (784, 1643888), (809, 1593088), (889, 1449728), (896, 1438402), (1016, 1268512), (1568, 821944), (1618, 796544), (1778, 724864), (1792, 719201), (2032, 634256), (3136, 410972), (3236, 398272), (3556, 362432), (4064, 317128), (5663, 227584), (6223, 207104), (6272, 205486), (6472, 199136), (7112, 181216), (8128, 158564), (11326, 113792), (12446, 103552), (12544, 102743), (12944, 99568), (14224, 90608), (16256, 79282), (22652, 56896), (24892, 51776), (25888, 49784), (28448, 45304), (32512, 39641)]