1218052913

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{38867}}^1$

素因数の和:38933

約数の個数: 24

約数和(自身を含む): 1571510976

約数和(自身を除く): 353458063

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 31339, 38867, 272069, 427537, 1438079, 2992759, 4702907, 10066553, 15818869, 32920349, 110732083, 174007559, 1218052913]

約数ペア:

[(1, 1218052913), (7, 174007559), (11, 110732083), (37, 32920349), (77, 15818869), (121, 10066553), (259, 4702907), (407, 2992759), (847, 1438079), (2849, 427537), (4477, 272069), (31339, 38867)]