128212861

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1033}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 159132600

約数和(自身を除く): 30919739

約数列:

[1, 7, 17, 49, 119, 149, 833, 1033, 1043, 2533, 7231, 7301, 17561, 17731, 50617, 122927, 124117, 153917, 860489, 1077419, 2616589, 7541933, 18316123, 128212861]

約数ペア:

[(1, 128212861), (7, 18316123), (17, 7541933), (49, 2616589), (119, 1077419), (149, 860489), (833, 153917), (1033, 124117), (1043, 122927), (2533, 50617), (7231, 17731), (7301, 17561)]