40000719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 61839360

約数和(自身を除く): 21838641

約数列:

[1, 3, 11, 19, 33, 57, 131, 209, 393, 487, 627, 1441, 1461, 2489, 4323, 5357, 7467, 9253, 16071, 27379, 27759, 63797, 82137, 101783, 191391, 305349, 701767, 1212143, 2105301, 3636429, 13333573, 40000719]

約数ペア:

[(1, 40000719), (3, 13333573), (11, 3636429), (19, 2105301), (33, 1212143), (57, 701767), (131, 305349), (209, 191391), (393, 101783), (487, 82137), (627, 63797), (1441, 27759), (1461, 27379), (2489, 16071), (4323, 9253), (5357, 7467)]