72085328

素因数分解:

$2^4\times 7^1\times {\mathrm{643619}}^1$

素因数の和:643634

約数の個数: 20

約数和(自身を含む): 159617760

約数和(自身を除く): 87532432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643619, 1287238, 2574476, 4505333, 5148952, 9010666, 10297904, 18021332, 36042664, 72085328]

約数ペア:

[(1, 72085328), (2, 36042664), (4, 18021332), (7, 10297904), (8, 9010666), (14, 5148952), (16, 4505333), (28, 2574476), (56, 1287238), (112, 643619)]