64866890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53609}}^1$

素因数の和:53638

約数の個数: 24

約数和(自身を含む): 128342340

約数和(自身を除く): 63475450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 53609, 107218, 268045, 536090, 589699, 1179398, 2948495, 5896990, 6486689, 12973378, 32433445, 64866890]

約数ペア:

[(1, 64866890), (2, 32433445), (5, 12973378), (10, 6486689), (11, 5896990), (22, 2948495), (55, 1179398), (110, 589699), (121, 536090), (242, 268045), (605, 107218), (1210, 53609)]