72451568

素因数分解:

$2^4\times 7^1\times {\mathrm{646889}}^1$

素因数の和:646904

約数の個数: 20

約数和(自身を含む): 160428720

約数和(自身を除く): 87977152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 646889, 1293778, 2587556, 4528223, 5175112, 9056446, 10350224, 18112892, 36225784, 72451568]

約数ペア:

[(1, 72451568), (2, 36225784), (4, 18112892), (7, 10350224), (8, 9056446), (14, 5175112), (16, 4528223), (28, 2587556), (56, 1293778), (112, 646889)]