27989512

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 53887680

約数和(自身を除く): 25898168

約数列:

[1, 2, 4, 8, 53, 106, 212, 251, 263, 424, 502, 526, 1004, 1052, 2008, 2104, 13303, 13939, 26606, 27878, 53212, 55756, 66013, 106424, 111512, 132026, 264052, 528104, 3498689, 6997378, 13994756, 27989512]

約数ペア:

[(1, 27989512), (2, 13994756), (4, 6997378), (8, 3498689), (53, 528104), (106, 264052), (212, 132026), (251, 111512), (263, 106424), (424, 66013), (502, 55756), (526, 53212), (1004, 27878), (1052, 26606), (2008, 13939), (2104, 13303)]