128996956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{32941}}^1$

素因数の和:33045

約数の個数: 24

約数和(自身を含む): 249041520

約数和(自身を除く): 120044564

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 32941, 65882, 131764, 362351, 724702, 1449404, 2931749, 5863498, 11726996, 32249239, 64498478, 128996956]

約数ペア:

[(1, 128996956), (2, 64498478), (4, 32249239), (11, 11726996), (22, 5863498), (44, 2931749), (89, 1449404), (178, 724702), (356, 362351), (979, 131764), (1958, 65882), (3916, 32941)]