81087664

素因数分解:

$2^4\times 7^1\times {\mathrm{723997}}^1$

素因数の和:724012

約数の個数: 20

約数和(自身を含む): 179551504

約数和(自身を除く): 98463840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 723997, 1447994, 2895988, 5067979, 5791976, 10135958, 11583952, 20271916, 40543832, 81087664]

約数ペア:

[(1, 81087664), (2, 40543832), (4, 20271916), (7, 11583952), (8, 10135958), (14, 5791976), (16, 5067979), (28, 2895988), (56, 1447994), (112, 723997)]