80687642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{303337}}^1$

素因数の和:303365

約数の個数: 16

約数和(自身を含む): 145602240

約数和(自身を除く): 64914598

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 303337, 606674, 2123359, 4246718, 5763403, 11526806, 40343821, 80687642]

約数ペア:

[(1, 80687642), (2, 40343821), (7, 11526806), (14, 5763403), (19, 4246718), (38, 2123359), (133, 606674), (266, 303337)]