81507296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195931}}^1$

素因数の和:195954

約数の個数: 24

約数和(自身を含む): 172812024

約数和(自身を除く): 91304728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195931, 391862, 783724, 1567448, 2547103, 3134896, 5094206, 6269792, 10188412, 20376824, 40753648, 81507296]

約数ペア:

[(1, 81507296), (2, 40753648), (4, 20376824), (8, 10188412), (13, 6269792), (16, 5094206), (26, 3134896), (32, 2547103), (52, 1567448), (104, 783724), (208, 391862), (416, 195931)]