340868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 666624

約数和(自身を除く): 325756

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 127, 244, 254, 508, 671, 1342, 1397, 2684, 2794, 5588, 7747, 15494, 30988, 85217, 170434, 340868]

約数ペア:

[(1, 340868), (2, 170434), (4, 85217), (11, 30988), (22, 15494), (44, 7747), (61, 5588), (122, 2794), (127, 2684), (244, 1397), (254, 1342), (508, 671)]