2189579

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2676480

約数和(自身を除く): 486901

約数列:

[1, 7, 19, 101, 133, 163, 707, 1141, 1919, 3097, 13433, 16463, 21679, 115241, 312797, 2189579]

約数ペア:

[(1, 2189579), (7, 312797), (19, 115241), (101, 21679), (133, 16463), (163, 13433), (707, 3097), (1141, 1919)]