280147841338

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{947}}^1\times {\mathrm{1357003}}^1$

素因数の和:1358061

約数の個数: 16

約数和(自身を含む): 424525131360

約数和(自身を除く): 144377290022

約数列:

[1, 2, 109, 218, 947, 1894, 103223, 206446, 1357003, 2714006, 147913327, 295826654, 1285081841, 2570163682, 140073920669, 280147841338]

約数ペア:

[(1, 280147841338), (2, 140073920669), (109, 2570163682), (218, 1285081841), (947, 295826654), (1894, 147913327), (103223, 2714006), (206446, 1357003)]