128972437

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 154091520

約数和(自身を除く): 25119083

約数列:

[1, 11, 19, 43, 113, 127, 209, 473, 817, 1243, 1397, 2147, 2413, 4859, 5461, 8987, 14351, 23617, 26543, 53449, 60071, 92321, 103759, 157861, 272669, 617093, 1015531, 1141349, 2999359, 6788023, 11724767, 128972437]

約数ペア:

[(1, 128972437), (11, 11724767), (19, 6788023), (43, 2999359), (113, 1141349), (127, 1015531), (209, 617093), (473, 272669), (817, 157861), (1243, 103759), (1397, 92321), (2147, 60071), (2413, 53449), (4859, 26543), (5461, 23617), (8987, 14351)]