720199207

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{49157}}^1$

素因数の和:49207

約数の個数: 24

約数和(自身を含む): 941474016

約数和(自身を除く): 221274809

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 49157, 344099, 639041, 1130611, 2408693, 4473287, 7914277, 14697943, 31313009, 55399939, 102885601, 720199207]

約数ペア:

[(1, 720199207), (7, 102885601), (13, 55399939), (23, 31313009), (49, 14697943), (91, 7914277), (161, 4473287), (299, 2408693), (637, 1130611), (1127, 639041), (2093, 344099), (14651, 49157)]