678741908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{3307}}^1\times {\mathrm{3947}}^1$

素因数の和:7271

約数の個数: 24

約数和(自身を含む): 1279878432

約数和(自身を除く): 601136524

約数列:

[1, 2, 4, 13, 26, 52, 3307, 3947, 6614, 7894, 13228, 15788, 42991, 51311, 85982, 102622, 171964, 205244, 13052729, 26105458, 52210916, 169685477, 339370954, 678741908]

約数ペア:

[(1, 678741908), (2, 339370954), (4, 169685477), (13, 52210916), (26, 26105458), (52, 13052729), (3307, 205244), (3947, 171964), (6614, 102622), (7894, 85982), (13228, 51311), (15788, 42991)]