25242203

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 18

約数和(自身を含む): 31011876

約数和(自身を除く): 5769673

約数列:

[1, 7, 19, 49, 133, 361, 931, 1427, 2527, 9989, 17689, 27113, 69923, 189791, 515147, 1328537, 3606029, 25242203]

約数ペア:

[(1, 25242203), (7, 3606029), (19, 1328537), (49, 515147), (133, 189791), (361, 69923), (931, 27113), (1427, 17689), (2527, 9989)]