25710139

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 32278272

約数和(自身を除く): 6568133

約数列:

[1, 7, 13, 91, 103, 169, 211, 721, 1183, 1339, 1477, 2743, 9373, 17407, 19201, 21733, 35659, 121849, 152131, 249613, 282529, 1977703, 3672877, 25710139]

約数ペア:

[(1, 25710139), (7, 3672877), (13, 1977703), (91, 282529), (103, 249613), (169, 152131), (211, 121849), (721, 35659), (1183, 21733), (1339, 19201), (1477, 17407), (2743, 9373)]