1373990111

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1627}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 1573038720

約数和(自身を除く): 199048609

約数列:

[1, 13, 19, 169, 247, 263, 1627, 3211, 3419, 4997, 21151, 30913, 44447, 64961, 274963, 401869, 427901, 844493, 5224297, 5562713, 8130119, 72315269, 105691547, 1373990111]

約数ペア:

[(1, 1373990111), (13, 105691547), (19, 72315269), (169, 8130119), (247, 5562713), (263, 5224297), (1627, 844493), (3211, 427901), (3419, 401869), (4997, 274963), (21151, 64961), (30913, 44447)]