67668139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 92712960

約数和(自身を除く): 25044821

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 1463, 1771, 2011, 3059, 4807, 14077, 22121, 33649, 38209, 46253, 154847, 267463, 323771, 420299, 508783, 878807, 2942093, 3561481, 6151649, 9666877, 67668139]

約数ペア:

[(1, 67668139), (7, 9666877), (11, 6151649), (19, 3561481), (23, 2942093), (77, 878807), (133, 508783), (161, 420299), (209, 323771), (253, 267463), (437, 154847), (1463, 46253), (1771, 38209), (2011, 33649), (3059, 22121), (4807, 14077)]