201391561

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{4327}}^1$

素因数の和:4504

約数の個数: 16

約数和(自身を含む): 236135680

約数和(自身を除く): 34744119

約数列:

[1, 7, 61, 109, 427, 763, 4327, 6649, 30289, 46543, 263947, 471643, 1847629, 3301501, 28770223, 201391561]

約数ペア:

[(1, 201391561), (7, 28770223), (61, 3301501), (109, 1847629), (427, 471643), (763, 263947), (4327, 46543), (6649, 30289)]