164038945

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 232581888

約数和(自身を除く): 68542943

約数列:

[1, 5, 7, 35, 37, 185, 197, 259, 643, 985, 1295, 1379, 3215, 4501, 6895, 7289, 22505, 23791, 36445, 51023, 118955, 126671, 166537, 255115, 633355, 832685, 886697, 4433485, 4686827, 23434135, 32807789, 164038945]

約数ペア:

[(1, 164038945), (5, 32807789), (7, 23434135), (35, 4686827), (37, 4433485), (185, 886697), (197, 832685), (259, 633355), (643, 255115), (985, 166537), (1295, 126671), (1379, 118955), (3215, 51023), (4501, 36445), (6895, 23791), (7289, 22505)]