7280021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 8847360

約数和(自身を除く): 1567339

約数列:

[1, 7, 19, 127, 133, 431, 889, 2413, 3017, 8189, 16891, 54737, 57323, 383159, 1040003, 7280021]

約数ペア:

[(1, 7280021), (7, 1040003), (19, 383159), (127, 57323), (133, 54737), (431, 16891), (889, 8189), (2413, 3017)]