656384768

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1553}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 1423016448

約数和(自身を除く): 766631680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 832, 1016, 1553, 1651, 1664, 2032, 3106, 3302, 3328, 4064, 6212, 6604, 8128, 12424, 13208, 16256, 20189, 24848, 26416, 32512, 40378, 49696, 52832, 80756, 99392, 105664, 161512, 197231, 198784, 211328, 323024, 394462, 397568, 422656, 646048, 788924, 1292096, 1577848, 2564003, 2584192, 3155696, 5128006, 5168384, 6311392, 10256012, 12622784, 20512024, 25245568, 41024048, 50491136, 82048096, 164096192, 328192384, 656384768]

約数ペア:

[(1, 656384768), (2, 328192384), (4, 164096192), (8, 82048096), (13, 50491136), (16, 41024048), (26, 25245568), (32, 20512024), (52, 12622784), (64, 10256012), (104, 6311392), (127, 5168384), (128, 5128006), (208, 3155696), (254, 2584192), (256, 2564003), (416, 1577848), (508, 1292096), (832, 788924), (1016, 646048), (1553, 422656), (1651, 397568), (1664, 394462), (2032, 323024), (3106, 211328), (3302, 198784), (3328, 197231), (4064, 161512), (6212, 105664), (6604, 99392), (8128, 80756), (12424, 52832), (13208, 49696), (16256, 40378), (20189, 32512), (24848, 26416)]