261499972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{29303}}^1$

素因数の和:29427

約数の個数: 24

約数和(自身を含む): 482461056

約数和(自身を除く): 220961084

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2231, 4462, 8924, 29303, 58606, 117212, 673969, 1347938, 2695876, 2842391, 5684782, 11369564, 65374993, 130749986, 261499972]

約数ペア:

[(1, 261499972), (2, 130749986), (4, 65374993), (23, 11369564), (46, 5684782), (92, 2842391), (97, 2695876), (194, 1347938), (388, 673969), (2231, 117212), (4462, 58606), (8924, 29303)]