128181599

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 36

約数和(自身を含む): 168731856

約数和(自身を除く): 40550257

約数列:

[1, 7, 13, 23, 49, 91, 161, 169, 299, 637, 673, 1127, 1183, 2093, 3887, 4711, 8281, 8749, 14651, 15479, 27209, 32977, 61243, 108353, 113737, 190463, 201227, 428701, 758471, 796159, 1408589, 2615951, 5573113, 9860123, 18311657, 128181599]

約数ペア:

[(1, 128181599), (7, 18311657), (13, 9860123), (23, 5573113), (49, 2615951), (91, 1408589), (161, 796159), (169, 758471), (299, 428701), (637, 201227), (673, 190463), (1127, 113737), (1183, 108353), (2093, 61243), (3887, 32977), (4711, 27209), (8281, 15479), (8749, 14651)]