16644155

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 22873536

約数和(自身を除く): 6229381

約数列:

[1, 5, 11, 41, 55, 61, 121, 205, 305, 451, 605, 671, 1331, 2255, 2501, 3355, 4961, 6655, 7381, 12505, 24805, 27511, 36905, 54571, 81191, 137555, 272855, 302621, 405955, 1513105, 3328831, 16644155]

約数ペア:

[(1, 16644155), (5, 3328831), (11, 1513105), (41, 405955), (55, 302621), (61, 272855), (121, 137555), (205, 81191), (305, 54571), (451, 36905), (605, 27511), (671, 24805), (1331, 12505), (2255, 7381), (2501, 6655), (3355, 4961)]