1289276569

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 1579253760

約数和(自身を除く): 289977191

約数列:

[1, 7, 23, 53, 139, 161, 371, 973, 1087, 1219, 3197, 7367, 7609, 8533, 22379, 25001, 51569, 57611, 151093, 169441, 175007, 403277, 1057651, 1186087, 1325053, 3475139, 8007929, 9275371, 24325973, 56055503, 184182367, 1289276569]

約数ペア:

[(1, 1289276569), (7, 184182367), (23, 56055503), (53, 24325973), (139, 9275371), (161, 8007929), (371, 3475139), (973, 1325053), (1087, 1186087), (1219, 1057651), (3197, 403277), (7367, 175007), (7609, 169441), (8533, 151093), (22379, 57611), (25001, 51569)]