128123128

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{48679}}^1$

素因数の和:48739

約数の個数: 32

約数和(自身を含む): 280396800

約数和(自身を除く): 152273672

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 48679, 97358, 194716, 340753, 389432, 681506, 1363012, 2287913, 2726024, 4575826, 9151652, 16015391, 18303304, 32030782, 64061564, 128123128]

約数ペア:

[(1, 128123128), (2, 64061564), (4, 32030782), (7, 18303304), (8, 16015391), (14, 9151652), (28, 4575826), (47, 2726024), (56, 2287913), (94, 1363012), (188, 681506), (329, 389432), (376, 340753), (658, 194716), (1316, 97358), (2632, 48679)]