280788991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{60139}}^1$

素因数の和:60198

約数の個数: 16

約数和(自身を含む): 346406400

約数和(自身を除く): 65617409

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 60139, 420973, 1383197, 1744031, 9682379, 12208217, 40112713, 280788991]

約数ペア:

[(1, 280788991), (7, 40112713), (23, 12208217), (29, 9682379), (161, 1744031), (203, 1383197), (667, 420973), (4669, 60139)]