209036401

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 250508160

約数和(自身を除く): 41471759

約数列:

[1, 7, 47, 49, 139, 329, 653, 973, 2303, 4571, 6533, 6811, 30691, 31997, 45731, 90767, 214837, 320117, 635369, 1503859, 4266049, 4447583, 29862343, 209036401]

約数ペア:

[(1, 209036401), (7, 29862343), (47, 4447583), (49, 4266049), (139, 1503859), (329, 635369), (653, 320117), (973, 214837), (2303, 90767), (4571, 45731), (6533, 31997), (6811, 30691)]