208990078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{1459}}^1$

素因数の和:1872

約数の個数: 32

約数和(自身を含む): 363294720

約数和(自身を除く): 154304642

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 383, 766, 1459, 2918, 4213, 6511, 8426, 13022, 16049, 24803, 32098, 49606, 71621, 143242, 272833, 545666, 558797, 1117594, 6146767, 9499549, 12293534, 18999098, 104495039, 208990078]

約数ペア:

[(1, 208990078), (2, 104495039), (11, 18999098), (17, 12293534), (22, 9499549), (34, 6146767), (187, 1117594), (374, 558797), (383, 545666), (766, 272833), (1459, 143242), (2918, 71621), (4213, 49606), (6511, 32098), (8426, 24803), (13022, 16049)]