81332168

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{28319}}^1$

素因数の和:28684

約数の個数: 16

約数和(自身を含む): 152928000

約数和(自身を除く): 71595832

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 28319, 56638, 113276, 226552, 10166521, 20333042, 40666084, 81332168]

約数ペア:

[(1, 81332168), (2, 40666084), (4, 20333042), (8, 10166521), (359, 226552), (718, 113276), (1436, 56638), (2872, 28319)]