1621000375

素因数分解:

$5^3\times {\mathrm{83}}^1\times {\mathrm{156241}}^1$

素因数の和:156339

約数の個数: 16

約数和(自身を含む): 2047395168

約数和(自身を除く): 426394793

約数列:

[1, 5, 25, 83, 125, 415, 2075, 10375, 156241, 781205, 3906025, 12968003, 19530125, 64840015, 324200075, 1621000375]

約数ペア:

[(1, 1621000375), (5, 324200075), (25, 64840015), (83, 19530125), (125, 12968003), (415, 3906025), (2075, 781205), (10375, 156241)]