644006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 16

約数和(自身を含む): 1070928

約数和(自身を除く): 426922

約数列:

[1, 2, 11, 22, 73, 146, 401, 802, 803, 1606, 4411, 8822, 29273, 58546, 322003, 644006]

約数ペア:

[(1, 644006), (2, 322003), (11, 58546), (22, 29273), (73, 8822), (146, 4411), (401, 1606), (802, 803)]