239125089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 406978560

約数和(自身を除く): 167853471

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 71, 133, 161, 213, 367, 399, 437, 483, 497, 1101, 1311, 1349, 1491, 1633, 2569, 3059, 4047, 4899, 6973, 7707, 8441, 9177, 9443, 11431, 20919, 25323, 26057, 28329, 31027, 34293, 48811, 59087, 78171, 93081, 146433, 160379, 177261, 182399, 217189, 481137, 495083, 547197, 599311, 651567, 1122653, 1485249, 1797933, 3367959, 3465581, 4195177, 10396743, 11386909, 12585531, 34160727, 79708363, 239125089]

約数ペア:

[(1, 239125089), (3, 79708363), (7, 34160727), (19, 12585531), (21, 11386909), (23, 10396743), (57, 4195177), (69, 3465581), (71, 3367959), (133, 1797933), (161, 1485249), (213, 1122653), (367, 651567), (399, 599311), (437, 547197), (483, 495083), (497, 481137), (1101, 217189), (1311, 182399), (1349, 177261), (1491, 160379), (1633, 146433), (2569, 93081), (3059, 78171), (4047, 59087), (4899, 48811), (6973, 34293), (7707, 31027), (8441, 28329), (9177, 26057), (9443, 25323), (11431, 20919)]