209538119

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{7523}}^1$

素因数の和:7726

約数の個数: 16

約数和(自身を含む): 251361792

約数和(自身を除く): 41823673

約数列:

[1, 7, 23, 161, 173, 1211, 3979, 7523, 27853, 52661, 173029, 1211203, 1301479, 9110353, 29934017, 209538119]

約数ペア:

[(1, 209538119), (7, 29934017), (23, 9110353), (161, 1301479), (173, 1211203), (1211, 173029), (3979, 52661), (7523, 27853)]