2006257421

素因数分解:

$7^3\times {\mathrm{1087}}^1\times {\mathrm{5381}}^1$

素因数の和:6489

約数の個数: 16

約数和(自身を含む): 2342246400

約数和(自身を除く): 335988979

約数列:

[1, 7, 49, 343, 1087, 5381, 7609, 37667, 53263, 263669, 372841, 1845683, 5849147, 40944029, 286608203, 2006257421]

約数ペア:

[(1, 2006257421), (7, 286608203), (49, 40944029), (343, 5849147), (1087, 1845683), (5381, 372841), (7609, 263669), (37667, 53263)]