22728209

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 5994991

約数列:

[1, 7, 23, 43, 49, 67, 161, 301, 343, 469, 989, 1127, 1541, 2107, 2881, 3283, 6923, 7889, 10787, 14749, 20167, 22981, 48461, 66263, 75509, 141169, 339227, 463841, 528563, 988183, 3246887, 22728209]

約数ペア:

[(1, 22728209), (7, 3246887), (23, 988183), (43, 528563), (49, 463841), (67, 339227), (161, 141169), (301, 75509), (343, 66263), (469, 48461), (989, 22981), (1127, 20167), (1541, 14749), (2107, 10787), (2881, 7889), (3283, 6923)]