28427279

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 2323441

約数列:

[1, 29, 31, 103, 307, 899, 2987, 3193, 8903, 9517, 31621, 92597, 275993, 917009, 980251, 28427279]

約数ペア:

[(1, 28427279), (29, 980251), (31, 917009), (103, 275993), (307, 92597), (899, 31621), (2987, 9517), (3193, 8903)]