217474816

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 472850784

約数和(自身を除く): 255375968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 128, 202, 208, 256, 404, 416, 647, 808, 832, 1294, 1313, 1616, 1664, 2588, 2626, 3232, 3328, 5176, 5252, 6464, 8411, 10352, 10504, 12928, 16822, 20704, 21008, 25856, 33644, 41408, 42016, 65347, 67288, 82816, 84032, 130694, 134576, 165632, 168064, 261388, 269152, 336128, 522776, 538304, 849511, 1045552, 1076608, 1699022, 2091104, 2153216, 3398044, 4182208, 6796088, 8364416, 13592176, 16728832, 27184352, 54368704, 108737408, 217474816]

約数ペア:

[(1, 217474816), (2, 108737408), (4, 54368704), (8, 27184352), (13, 16728832), (16, 13592176), (26, 8364416), (32, 6796088), (52, 4182208), (64, 3398044), (101, 2153216), (104, 2091104), (128, 1699022), (202, 1076608), (208, 1045552), (256, 849511), (404, 538304), (416, 522776), (647, 336128), (808, 269152), (832, 261388), (1294, 168064), (1313, 165632), (1616, 134576), (1664, 130694), (2588, 84032), (2626, 82816), (3232, 67288), (3328, 65347), (5176, 42016), (5252, 41408), (6464, 33644), (8411, 25856), (10352, 21008), (10504, 20704), (12928, 16822)]