397453085

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{20771}}^1$

素因数の和:20908

約数の個数: 16

約数和(自身を含む): 493542720

約数和(自身を除く): 96089635

約数列:

[1, 5, 43, 89, 215, 445, 3827, 19135, 20771, 103855, 893153, 1848619, 4465765, 9243095, 79490617, 397453085]

約数ペア:

[(1, 397453085), (5, 79490617), (43, 9243095), (89, 4465765), (215, 1848619), (445, 893153), (3827, 103855), (19135, 20771)]