1997366965

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{401}}^1\times {\mathrm{8233}}^1$

素因数の和:8661

約数の個数: 24

約数和(自身を含む): 2641434264

約数和(自身を除く): 644067299

約数列:

[1, 5, 11, 55, 121, 401, 605, 2005, 4411, 8233, 22055, 41165, 48521, 90563, 242605, 452815, 996193, 3301433, 4980965, 16507165, 36315763, 181578815, 399473393, 1997366965]

約数ペア:

[(1, 1997366965), (5, 399473393), (11, 181578815), (55, 36315763), (121, 16507165), (401, 4980965), (605, 3301433), (2005, 996193), (4411, 452815), (8233, 242605), (22055, 90563), (41165, 48521)]