565328

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 20

約数和(自身を含む): 1110420

約数和(自身を除く): 545092

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 397, 712, 794, 1424, 1588, 3176, 6352, 35333, 70666, 141332, 282664, 565328]

約数ペア:

[(1, 565328), (2, 282664), (4, 141332), (8, 70666), (16, 35333), (89, 6352), (178, 3176), (356, 1588), (397, 1424), (712, 794)]