66915328

素因数分解:

$2^{10}\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:768

約数の個数: 44

約数和(自身を含む): 135298512

約数和(自身を除く): 68383184

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 512, 647, 808, 1024, 1294, 1616, 2588, 3232, 5176, 6464, 10352, 12928, 20704, 25856, 41408, 51712, 65347, 82816, 103424, 130694, 165632, 261388, 331264, 522776, 662528, 1045552, 2091104, 4182208, 8364416, 16728832, 33457664, 66915328]

約数ペア:

[(1, 66915328), (2, 33457664), (4, 16728832), (8, 8364416), (16, 4182208), (32, 2091104), (64, 1045552), (101, 662528), (128, 522776), (202, 331264), (256, 261388), (404, 165632), (512, 130694), (647, 103424), (808, 82816), (1024, 65347), (1294, 51712), (1616, 41408), (2588, 25856), (3232, 20704), (5176, 12928), (6464, 10352)]