13556225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 17998848

約数和(自身を除く): 4442623

約数列:

[1, 5, 17, 25, 85, 167, 191, 425, 835, 955, 2839, 3247, 4175, 4775, 14195, 16235, 31897, 70975, 81175, 159485, 542249, 797425, 2711245, 13556225]

約数ペア:

[(1, 13556225), (5, 2711245), (17, 797425), (25, 542249), (85, 159485), (167, 81175), (191, 70975), (425, 31897), (835, 16235), (955, 14195), (2839, 4775), (3247, 4175)]