25721588

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 45771264

約数和(自身を除く): 20049676

約数列:

[1, 2, 4, 131, 191, 257, 262, 382, 514, 524, 764, 1028, 25021, 33667, 49087, 50042, 67334, 98174, 100084, 134668, 196348, 6430397, 12860794, 25721588]

約数ペア:

[(1, 25721588), (2, 12860794), (4, 6430397), (131, 196348), (191, 134668), (257, 100084), (262, 98174), (382, 67334), (514, 50042), (524, 49087), (764, 33667), (1028, 25021)]