1280451895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 1643201280

約数和(自身を除く): 362749385

約数列:

[1, 5, 19, 95, 97, 283, 485, 491, 1415, 1843, 2455, 5377, 9215, 9329, 26885, 27451, 46645, 47627, 137255, 138953, 238135, 521569, 694765, 904913, 2607845, 2640107, 4524565, 13200535, 13478441, 67392205, 256090379, 1280451895]

約数ペア:

[(1, 1280451895), (5, 256090379), (19, 67392205), (95, 13478441), (97, 13200535), (283, 4524565), (485, 2640107), (491, 2607845), (1415, 904913), (1843, 694765), (2455, 521569), (5377, 238135), (9215, 138953), (9329, 137255), (26885, 47627), (27451, 46645)]