2172187871

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 2592522240

約数和(自身を除く): 420334369

約数列:

[1, 7, 43, 79, 167, 301, 547, 553, 1169, 3397, 3829, 7181, 13193, 23521, 23779, 43213, 50267, 91349, 92351, 164647, 302491, 567299, 639443, 1858159, 3928007, 3971093, 7216571, 13007113, 27496049, 50515997, 310312553, 2172187871]

約数ペア:

[(1, 2172187871), (7, 310312553), (43, 50515997), (79, 27496049), (167, 13007113), (301, 7216571), (547, 3971093), (553, 3928007), (1169, 1858159), (3397, 639443), (3829, 567299), (7181, 302491), (13193, 164647), (23521, 92351), (23779, 91349), (43213, 50267)]