205420159

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{1901}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 241021440

約数和(自身を除く): 35601281

約数列:

[1, 7, 43, 301, 359, 1901, 2513, 13307, 15437, 81743, 108059, 572201, 682459, 4777213, 29345737, 205420159]

約数ペア:

[(1, 205420159), (7, 29345737), (43, 4777213), (301, 682459), (359, 572201), (1901, 108059), (2513, 81743), (13307, 15437)]