2009175172

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{271657}}^1$

素因数の和:271747

約数の個数: 18

約数和(自身を含む): 3599740158

約数和(自身を除く): 1590564986

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 271657, 543314, 1086628, 11681251, 23362502, 46725004, 502293793, 1004587586, 2009175172]

約数ペア:

[(1, 2009175172), (2, 1004587586), (4, 502293793), (43, 46725004), (86, 23362502), (172, 11681251), (1849, 1086628), (3698, 543314), (7396, 271657)]