218823055

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 292190976

約数和(自身を除く): 73367921

約数列:

[1, 5, 11, 55, 121, 131, 251, 605, 655, 1255, 1331, 1441, 2761, 6655, 7205, 13805, 15851, 30371, 32881, 79255, 151855, 164405, 174361, 334081, 361691, 871805, 1670405, 1808455, 3978601, 19893005, 43764611, 218823055]

約数ペア:

[(1, 218823055), (5, 43764611), (11, 19893005), (55, 3978601), (121, 1808455), (131, 1670405), (251, 871805), (605, 361691), (655, 334081), (1255, 174361), (1331, 164405), (1441, 151855), (2761, 79255), (6655, 32881), (7205, 30371), (13805, 15851)]