64408025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{234211}}^1$

素因数の和:234232

約数の個数: 12

約数和(自身を含む): 87126864

約数和(自身を除く): 22718839

約数列:

[1, 5, 11, 25, 55, 275, 234211, 1171055, 2576321, 5855275, 12881605, 64408025]

約数ペア:

[(1, 64408025), (5, 12881605), (11, 5855275), (25, 2576321), (55, 1171055), (275, 234211)]