257397649

素因数分解:

${\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 272160000

約数和(自身を除く): 14762351

約数列:

[1, 29, 71, 149, 839, 2059, 4321, 10579, 24331, 59569, 125011, 306791, 1727501, 3625319, 8875781, 257397649]

約数ペア:

[(1, 257397649), (29, 8875781), (71, 3625319), (149, 1727501), (839, 306791), (2059, 125011), (4321, 59569), (10579, 24331)]