1994470298639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37210961}}^1$

素因数の和:37211031

約数の個数: 32

約数和(自身を含む): 2667281756160

約数和(自身を除く): 672811457521

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1729, 2821, 4123, 7657, 53599, 37210961, 260476727, 483742493, 707008259, 1153539791, 3386197451, 4949057813, 8074778537, 9191107367, 14996017283, 21917256029, 64337751569, 104972120981, 153420792203, 284924328377, 1994470298639]

約数ペア:

[(1, 1994470298639), (7, 284924328377), (13, 153420792203), (19, 104972120981), (31, 64337751569), (91, 21917256029), (133, 14996017283), (217, 9191107367), (247, 8074778537), (403, 4949057813), (589, 3386197451), (1729, 1153539791), (2821, 707008259), (4123, 483742493), (7657, 260476727), (53599, 37210961)]