12730445

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 19219200

約数和(自身を除く): 6488755

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 571, 637, 1715, 2855, 3185, 3997, 4459, 7423, 19985, 22295, 27979, 37115, 51961, 139895, 195853, 259805, 363727, 979265, 1818635, 2546089, 12730445]

約数ペア:

[(1, 12730445), (5, 2546089), (7, 1818635), (13, 979265), (35, 363727), (49, 259805), (65, 195853), (91, 139895), (245, 51961), (343, 37115), (455, 27979), (571, 22295), (637, 19985), (1715, 7423), (2855, 4459), (3185, 3997)]