71821328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3815

約数の個数: 40

約数和(自身を含む): 149454720

約数和(自身を除く): 77633392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 3719, 4828, 7438, 9656, 14876, 19312, 29752, 59504, 63223, 126446, 252892, 264049, 505784, 528098, 1011568, 1056196, 2112392, 4224784, 4488833, 8977666, 17955332, 35910664, 71821328]

約数ペア:

[(1, 71821328), (2, 35910664), (4, 17955332), (8, 8977666), (16, 4488833), (17, 4224784), (34, 2112392), (68, 1056196), (71, 1011568), (136, 528098), (142, 505784), (272, 264049), (284, 252892), (568, 126446), (1136, 63223), (1207, 59504), (2414, 29752), (3719, 19312), (4828, 14876), (7438, 9656)]