199669379

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{2609}}^1$

素因数の和:2687

約数の個数: 24

約数和(自身を含む): 254610720

約数和(自身を除く): 54941341

約数列:

[1, 7, 13, 29, 91, 203, 377, 841, 2609, 2639, 5887, 10933, 18263, 33917, 75661, 76531, 237419, 529627, 983593, 2194169, 6885151, 15359183, 28524197, 199669379]

約数ペア:

[(1, 199669379), (7, 28524197), (13, 15359183), (29, 6885151), (91, 2194169), (203, 983593), (377, 529627), (841, 237419), (2609, 76531), (2639, 75661), (5887, 33917), (10933, 18263)]