64741490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{15907}}^1$

素因数の和:15962

約数の個数: 32

約数和(自身を含む): 130572864

約数和(自身を除く): 65831374

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 15907, 31814, 79535, 159070, 174977, 349954, 588559, 874885, 1177118, 1749770, 2942795, 5885590, 6474149, 12948298, 32370745, 64741490]

約数ペア:

[(1, 64741490), (2, 32370745), (5, 12948298), (10, 6474149), (11, 5885590), (22, 2942795), (37, 1749770), (55, 1177118), (74, 874885), (110, 588559), (185, 349954), (370, 174977), (407, 159070), (814, 79535), (2035, 31814), (4070, 15907)]