25111709

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1201}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 30001920

約数和(自身を除く): 4890211

約数列:

[1, 7, 29, 103, 203, 721, 1201, 2987, 8407, 20909, 34829, 123703, 243803, 865921, 3587387, 25111709]

約数ペア:

[(1, 25111709), (7, 3587387), (29, 865921), (103, 243803), (203, 123703), (721, 34829), (1201, 20909), (2987, 8407)]