172930511

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 203793408

約数和(自身を除く): 30862897

約数列:

[1, 13, 17, 71, 103, 107, 221, 923, 1207, 1339, 1391, 1751, 1819, 7313, 7597, 11021, 15691, 22763, 23647, 95069, 98761, 124321, 129149, 143273, 187357, 782491, 1616173, 1678937, 2435641, 10172383, 13302347, 172930511]

約数ペア:

[(1, 172930511), (13, 13302347), (17, 10172383), (71, 2435641), (103, 1678937), (107, 1616173), (221, 782491), (923, 187357), (1207, 143273), (1339, 129149), (1391, 124321), (1751, 98761), (1819, 95069), (7313, 23647), (7597, 22763), (11021, 15691)]