28890667

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4278

約数の個数: 16

約数和(自身を含む): 34013952

約数和(自身を除く): 5123285

約数列:

[1, 13, 17, 31, 221, 403, 527, 4217, 6851, 54821, 71689, 130727, 931957, 1699451, 2222359, 28890667]

約数ペア:

[(1, 28890667), (13, 2222359), (17, 1699451), (31, 931957), (221, 130727), (403, 71689), (527, 54821), (4217, 6851)]