645448318

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127207}}^1$

素因数の和:127311

約数の個数: 16

約数和(自身を含む): 1007487360

約数和(自身を除く): 362039042

約数列:

[1, 2, 43, 59, 86, 118, 2537, 5074, 127207, 254414, 5469901, 7505213, 10939802, 15010426, 322724159, 645448318]

約数ペア:

[(1, 645448318), (2, 322724159), (43, 15010426), (59, 10939802), (86, 7505213), (118, 5469901), (2537, 254414), (5074, 127207)]