81578396

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{7079}}^1$

素因数の和:7193

約数の個数: 24

約数和(自身を含む): 148283520

約数和(自身を除く): 66705124

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 2881, 5762, 7079, 11524, 14158, 28316, 304397, 474293, 608794, 948586, 1217588, 1897172, 20394599, 40789198, 81578396]

約数ペア:

[(1, 81578396), (2, 40789198), (4, 20394599), (43, 1897172), (67, 1217588), (86, 948586), (134, 608794), (172, 474293), (268, 304397), (2881, 28316), (5762, 14158), (7079, 11524)]