261427681

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 278415360

約数和(自身を除く): 16987679

約数列:

[1, 31, 37, 317, 719, 1147, 9827, 11729, 22289, 26603, 227923, 363599, 824693, 7065613, 8433151, 261427681]

約数ペア:

[(1, 261427681), (31, 8433151), (37, 7065613), (317, 824693), (719, 363599), (1147, 227923), (9827, 26603), (11729, 22289)]