156768781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 184923648

約数和(自身を除く): 28154867

約数列:

[1, 13, 17, 71, 97, 103, 221, 923, 1207, 1261, 1339, 1649, 1751, 6887, 7313, 9991, 15691, 21437, 22763, 89531, 95069, 117079, 124321, 129883, 169847, 709361, 1522027, 1616173, 2208011, 9221693, 12059137, 156768781]

約数ペア:

[(1, 156768781), (13, 12059137), (17, 9221693), (71, 2208011), (97, 1616173), (103, 1522027), (221, 709361), (923, 169847), (1207, 129883), (1261, 124321), (1339, 117079), (1649, 95069), (1751, 89531), (6887, 22763), (7313, 21437), (9991, 15691)]