208520179

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{19381}}^1$

素因数の和:19470

約数の個数: 16

約数和(自身を含む): 251190720

約数和(自身を除く): 42670541

約数列:

[1, 7, 29, 53, 203, 371, 1537, 10759, 19381, 135667, 562049, 1027193, 3934343, 7190351, 29788597, 208520179]

約数ペア:

[(1, 208520179), (7, 29788597), (29, 7190351), (53, 3934343), (203, 1027193), (371, 562049), (1537, 135667), (10759, 19381)]