2018145787

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{404357}}^1$

素因数の和:404418

約数の個数: 16

約数和(自身を含む): 2484375552

約数和(自身を除く): 466229765

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 404357, 2830499, 9300211, 12535067, 65101477, 87745469, 288306541, 2018145787]

約数ペア:

[(1, 2018145787), (7, 288306541), (23, 87745469), (31, 65101477), (161, 12535067), (217, 9300211), (713, 2830499), (4991, 404357)]