65872639

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2221}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 79636480

約数和(自身を除く): 13763841

約数列:

[1, 7, 19, 133, 223, 1561, 2221, 4237, 15547, 29659, 42199, 295393, 495283, 3466981, 9410377, 65872639]

約数ペア:

[(1, 65872639), (7, 9410377), (19, 3466981), (133, 495283), (223, 295393), (1561, 42199), (2221, 29659), (4237, 15547)]