12890969

素因数分解:

$7^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 16470720

約数和(自身を除く): 3579751

約数列:

[1, 7, 13, 49, 59, 91, 343, 413, 637, 767, 2401, 2891, 4459, 5369, 16807, 20237, 31213, 37583, 141659, 218491, 263081, 991613, 1841567, 12890969]

約数ペア:

[(1, 12890969), (7, 1841567), (13, 991613), (49, 263081), (59, 218491), (91, 141659), (343, 37583), (413, 31213), (637, 20237), (767, 16807), (2401, 5369), (2891, 4459)]