123456281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1259}}^1$

素因数の和:1688

約数の個数: 16

約数和(自身を含む): 140414400

約数和(自身を除く): 16958119

約数列:

[1, 13, 19, 247, 397, 1259, 5161, 7543, 16367, 23921, 98059, 310973, 499823, 6497699, 9496637, 123456281]

約数ペア:

[(1, 123456281), (13, 9496637), (19, 6497699), (247, 499823), (397, 310973), (1259, 98059), (5161, 23921), (7543, 16367)]