221604649

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{2543}}^1$

素因数の和:2820

約数の個数: 16

約数和(自身を含む): 258877440

約数和(自身を除く): 37272791

約数列:

[1, 7, 59, 211, 413, 1477, 2543, 12449, 17801, 87143, 150037, 536573, 1050259, 3756011, 31657807, 221604649]

約数ペア:

[(1, 221604649), (7, 31657807), (59, 3756011), (211, 1050259), (413, 536573), (1477, 150037), (2543, 87143), (12449, 17801)]