405968404

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{2909}}^1$

素因数の和:3303

約数の個数: 24

約数和(自身を含む): 718653600

約数和(自身を除く): 312685196

約数列:

[1, 2, 4, 139, 251, 278, 502, 556, 1004, 2909, 5818, 11636, 34889, 69778, 139556, 404351, 730159, 808702, 1460318, 1617404, 2920636, 101492101, 202984202, 405968404]

約数ペア:

[(1, 405968404), (2, 202984202), (4, 101492101), (139, 2920636), (251, 1617404), (278, 1460318), (502, 808702), (556, 730159), (1004, 404351), (2909, 139556), (5818, 69778), (11636, 34889)]