8181312425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2288479}}^1$

素因数の和:2288513

約数の個数: 24

約数和(自身を含む): 11918403840

約数和(自身を除く): 3737091415

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 2288479, 11442395, 25173269, 29750227, 57211975, 125866345, 148751135, 327252497, 629331725, 743755675, 1636262485, 8181312425]

約数ペア:

[(1, 8181312425), (5, 1636262485), (11, 743755675), (13, 629331725), (25, 327252497), (55, 148751135), (65, 125866345), (143, 57211975), (275, 29750227), (325, 25173269), (715, 11442395), (3575, 2288479)]