80779979

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 98796960

約数和(自身を除く): 18016981

約数列:

[1, 7, 23, 49, 161, 229, 313, 1127, 1603, 2191, 5267, 7199, 11221, 15337, 36869, 50393, 71677, 258083, 352751, 501739, 1648571, 3512173, 11539997, 80779979]

約数ペア:

[(1, 80779979), (7, 11539997), (23, 3512173), (49, 1648571), (161, 501739), (229, 352751), (313, 258083), (1127, 71677), (1603, 50393), (2191, 36869), (5267, 15337), (7199, 11221)]