290138368

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{87181}}^1$

素因数の和:87210

約数の個数: 36

約数和(自身を含む): 623700028

約数和(自身を除く): 333561660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 87181, 174362, 348724, 697448, 1133353, 1394896, 2266706, 2789792, 4533412, 5579584, 9066824, 11159168, 18133648, 22318336, 36267296, 72534592, 145069184, 290138368]

約数ペア:

[(1, 290138368), (2, 145069184), (4, 72534592), (8, 36267296), (13, 22318336), (16, 18133648), (26, 11159168), (32, 9066824), (52, 5579584), (64, 4533412), (104, 2789792), (128, 2266706), (208, 1394896), (256, 1133353), (416, 697448), (832, 348724), (1664, 174362), (3328, 87181)]