1780223

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 2047680

約数和(自身を除く): 267457

約数列:

[1, 17, 23, 29, 157, 391, 493, 667, 2669, 3611, 4553, 11339, 61387, 77401, 104719, 1780223]

約数ペア:

[(1, 1780223), (17, 104719), (23, 77401), (29, 61387), (157, 11339), (391, 4553), (493, 3611), (667, 2669)]