2947139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 3354624

約数和(自身を除く): 407485

約数列:

[1, 13, 31, 71, 103, 403, 923, 1339, 2201, 3193, 7313, 28613, 41509, 95069, 226703, 2947139]

約数ペア:

[(1, 2947139), (13, 226703), (31, 95069), (71, 41509), (103, 28613), (403, 7313), (923, 3193), (1339, 2201)]