2189047

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 2675200

約数和(自身を除く): 486153

約数列:

[1, 7, 19, 109, 133, 151, 763, 1057, 2071, 2869, 14497, 16459, 20083, 115213, 312721, 2189047]

約数ペア:

[(1, 2189047), (7, 312721), (19, 115213), (109, 20083), (133, 16459), (151, 14497), (763, 2869), (1057, 2071)]