7738445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 11128320

約数和(自身を除く): 3389875

約数列:

[1, 5, 11, 13, 55, 65, 79, 137, 143, 395, 685, 715, 869, 1027, 1507, 1781, 4345, 5135, 7535, 8905, 10823, 11297, 19591, 54115, 56485, 97955, 119053, 140699, 595265, 703495, 1547689, 7738445]

約数ペア:

[(1, 7738445), (5, 1547689), (11, 703495), (13, 595265), (55, 140699), (65, 119053), (79, 97955), (137, 56485), (143, 54115), (395, 19591), (685, 11297), (715, 10823), (869, 8905), (1027, 7535), (1507, 5135), (1781, 4345)]