72781553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 80917200

約数和(自身を除く): 8135647

約数列:

[1, 13, 37, 337, 449, 481, 4381, 5837, 12469, 16613, 151313, 162097, 215969, 1967069, 5598581, 72781553]

約数ペア:

[(1, 72781553), (13, 5598581), (37, 1967069), (337, 215969), (449, 162097), (481, 151313), (4381, 16613), (5837, 12469)]