25502057

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 32030208

約数和(自身を除く): 6528151

約数列:

[1, 7, 17, 31, 119, 217, 223, 527, 961, 1561, 3689, 3791, 6727, 6913, 16337, 26537, 48391, 114359, 117521, 214303, 822647, 1500121, 3643151, 25502057]

約数ペア:

[(1, 25502057), (7, 3643151), (17, 1500121), (31, 822647), (119, 214303), (217, 117521), (223, 114359), (527, 48391), (961, 26537), (1561, 16337), (3689, 6913), (3791, 6727)]