661936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{3761}}^1$

素因数の和:3780

約数の個数: 20

約数和(自身を含む): 1399464

約数和(自身を除く): 737528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 3761, 7522, 15044, 30088, 41371, 60176, 82742, 165484, 330968, 661936]

約数ペア:

[(1, 661936), (2, 330968), (4, 165484), (8, 82742), (11, 60176), (16, 41371), (22, 30088), (44, 15044), (88, 7522), (176, 3761)]