687152728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{9467}}^1$

素因数の和:9727

約数の個数: 32

約数和(自身を含む): 1324762560

約数和(自身を除く): 637609832

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 344, 422, 844, 1688, 9073, 9467, 18146, 18934, 36292, 37868, 72584, 75736, 407081, 814162, 1628324, 1997537, 3256648, 3995074, 7990148, 15980296, 85894091, 171788182, 343576364, 687152728]

約数ペア:

[(1, 687152728), (2, 343576364), (4, 171788182), (8, 85894091), (43, 15980296), (86, 7990148), (172, 3995074), (211, 3256648), (344, 1997537), (422, 1628324), (844, 814162), (1688, 407081), (9073, 75736), (9467, 72584), (18146, 37868), (18934, 36292)]