538304

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:672

約数の個数: 28

約数和(自身を含む): 1152144

約数和(自身を除く): 613840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 647, 832, 1294, 2588, 5176, 8411, 10352, 16822, 20704, 33644, 41408, 67288, 134576, 269152, 538304]

約数ペア:

[(1, 538304), (2, 269152), (4, 134576), (8, 67288), (13, 41408), (16, 33644), (26, 20704), (32, 16822), (52, 10352), (64, 8411), (104, 5176), (208, 2588), (416, 1294), (647, 832)]