258698744

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 491533920

約数和(自身を除く): 232835176

約数列:

[1, 2, 4, 8, 137, 193, 274, 386, 548, 772, 1096, 1223, 1544, 2446, 4892, 9784, 26441, 52882, 105764, 167551, 211528, 236039, 335102, 472078, 670204, 944156, 1340408, 1888312, 32337343, 64674686, 129349372, 258698744]

約数ペア:

[(1, 258698744), (2, 129349372), (4, 64674686), (8, 32337343), (137, 1888312), (193, 1340408), (274, 944156), (386, 670204), (548, 472078), (772, 335102), (1096, 236039), (1223, 211528), (1544, 167551), (2446, 105764), (4892, 52882), (9784, 26441)]