30191203

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 7824797

約数列:

[1, 7, 23, 43, 49, 89, 161, 301, 343, 623, 989, 1127, 2047, 2107, 3827, 4361, 6923, 7889, 14329, 14749, 26789, 30527, 48461, 88021, 100303, 187523, 339227, 616147, 702121, 1312661, 4313029, 30191203]

約数ペア:

[(1, 30191203), (7, 4313029), (23, 1312661), (43, 702121), (49, 616147), (89, 339227), (161, 187523), (301, 100303), (343, 88021), (623, 48461), (989, 30527), (1127, 26789), (2047, 14749), (2107, 14329), (3827, 7889), (4361, 6923)]