74177225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 93952320

約数和(自身を除く): 19775095

約数列:

[1, 5, 25, 109, 163, 167, 545, 815, 835, 2725, 4075, 4175, 17767, 18203, 27221, 88835, 91015, 136105, 444175, 455075, 680525, 2967089, 14835445, 74177225]

約数ペア:

[(1, 74177225), (5, 14835445), (25, 2967089), (109, 680525), (163, 455075), (167, 444175), (545, 136105), (815, 91015), (835, 88835), (2725, 27221), (4075, 18203), (4175, 17767)]