1272912266

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1\times {\mathrm{11489}}^1$

素因数の和:13309

約数の個数: 16

約数和(自身を含む): 1972235520

約数和(自身を除く): 699323254

約数列:

[1, 2, 31, 62, 1787, 3574, 11489, 22978, 55397, 110794, 356159, 712318, 20530843, 41061686, 636456133, 1272912266]

約数ペア:

[(1, 1272912266), (2, 636456133), (31, 41061686), (62, 20530843), (1787, 712318), (3574, 356159), (11489, 110794), (22978, 55397)]