40529489

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 57308160

約数和(自身を除く): 16778671

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2131, 2717, 14917, 19019, 23441, 27703, 40489, 164087, 193921, 283423, 304733, 445379, 526357, 2133131, 3117653, 3684499, 5789927, 40529489]

約数ペア:

[(1, 40529489), (7, 5789927), (11, 3684499), (13, 3117653), (19, 2133131), (77, 526357), (91, 445379), (133, 304733), (143, 283423), (209, 193921), (247, 164087), (1001, 40489), (1463, 27703), (1729, 23441), (2131, 19019), (2717, 14917)]