209537567

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 239500800

約数和(自身を除く): 29963233

約数列:

[1, 19, 23, 53, 83, 109, 437, 1007, 1219, 1577, 1909, 2071, 2507, 4399, 5777, 9047, 23161, 36271, 47633, 83581, 101177, 109763, 132871, 171893, 208081, 479491, 1922363, 2524549, 3953539, 9110329, 11028293, 209537567]

約数ペア:

[(1, 209537567), (19, 11028293), (23, 9110329), (53, 3953539), (83, 2524549), (109, 1922363), (437, 479491), (1007, 208081), (1219, 171893), (1577, 132871), (1909, 109763), (2071, 101177), (2507, 83581), (4399, 47633), (5777, 36271), (9047, 23161)]