279994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 24

約数和(自身を含む): 502740

約数和(自身を除く): 222746

約数列:

[1, 2, 11, 13, 22, 26, 89, 121, 143, 178, 242, 286, 979, 1157, 1573, 1958, 2314, 3146, 10769, 12727, 21538, 25454, 139997, 279994]

約数ペア:

[(1, 279994), (2, 139997), (11, 25454), (13, 21538), (22, 12727), (26, 10769), (89, 3146), (121, 2314), (143, 1958), (178, 1573), (242, 1157), (286, 979)]