42640708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15887}}^1$

素因数の和:15963

約数の個数: 24

約数和(自身を含む): 82744704

約数和(自身を除く): 40103996

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 15887, 31774, 63548, 174757, 349514, 699028, 969107, 1938214, 3876428, 10660177, 21320354, 42640708]

約数ペア:

[(1, 42640708), (2, 21320354), (4, 10660177), (11, 3876428), (22, 1938214), (44, 969107), (61, 699028), (122, 349514), (244, 174757), (671, 63548), (1342, 31774), (2684, 15887)]