253485691

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 285241824

約数和(自身を除く): 31756133

約数列:

[1, 17, 23, 71, 391, 397, 529, 1207, 1633, 6749, 8993, 9131, 27761, 28187, 37559, 155227, 210013, 479179, 638503, 648301, 3570221, 11021117, 14910923, 253485691]

約数ペア:

[(1, 253485691), (17, 14910923), (23, 11021117), (71, 3570221), (391, 648301), (397, 638503), (529, 479179), (1207, 210013), (1633, 155227), (6749, 37559), (8993, 28187), (9131, 27761)]