28945886879

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{19583}}^1$

素因数の和:20079

約数の個数: 32

約数和(自身を含む): 36673781760

約数和(自身を除く): 7727894881

約数列:

[1, 7, 13, 37, 91, 259, 439, 481, 3073, 3367, 5707, 16243, 19583, 39949, 113701, 137081, 211159, 254579, 724571, 1478113, 1782053, 5071997, 8596937, 9419423, 60178559, 65935961, 111760181, 318086669, 782321267, 2226606683, 4135126697, 28945886879]

約数ペア:

[(1, 28945886879), (7, 4135126697), (13, 2226606683), (37, 782321267), (91, 318086669), (259, 111760181), (439, 65935961), (481, 60178559), (3073, 9419423), (3367, 8596937), (5707, 5071997), (16243, 1782053), (19583, 1478113), (39949, 724571), (113701, 254579), (137081, 211159)]