201491845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{28723}}^1$

素因数の和:28812

約数の個数: 16

約数和(自身を含む): 256447872

約数和(自身を除く): 54956027

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 28723, 143615, 660629, 1752103, 3303145, 8760515, 40298369, 201491845]

約数ペア:

[(1, 201491845), (5, 40298369), (23, 8760515), (61, 3303145), (115, 1752103), (305, 660629), (1403, 143615), (7015, 28723)]