71446775

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 90515040

約数和(自身を除く): 19068265

約数列:

[1, 5, 25, 109, 157, 167, 545, 785, 835, 2725, 3925, 4175, 17113, 18203, 26219, 85565, 91015, 131095, 427825, 455075, 655475, 2857871, 14289355, 71446775]

約数ペア:

[(1, 71446775), (5, 14289355), (25, 2857871), (109, 655475), (157, 455075), (167, 427825), (545, 131095), (785, 91015), (835, 85565), (2725, 26219), (3925, 18203), (4175, 17113)]