261116401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 340139520

約数和(自身を除く): 79023119

約数列:

[1, 7, 13, 23, 73, 91, 161, 299, 511, 949, 1679, 1709, 2093, 6643, 11753, 11963, 21827, 22217, 39307, 124757, 152789, 155519, 275149, 510991, 873299, 1621841, 2869411, 3576937, 11352887, 20085877, 37302343, 261116401]

約数ペア:

[(1, 261116401), (7, 37302343), (13, 20085877), (23, 11352887), (73, 3576937), (91, 2869411), (161, 1621841), (299, 873299), (511, 510991), (949, 275149), (1679, 155519), (1709, 152789), (2093, 124757), (6643, 39307), (11753, 22217), (11963, 21827)]