128647548

素因数分解:

$2^2\times 3^3\times {\mathrm{769}}^1\times {\mathrm{1549}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 334180000

約数和(自身を除く): 205532452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 769, 1538, 1549, 2307, 3076, 3098, 4614, 4647, 6196, 6921, 9228, 9294, 13842, 13941, 18588, 20763, 27684, 27882, 41526, 41823, 55764, 83052, 83646, 167292, 1191181, 2382362, 3573543, 4764724, 7147086, 10720629, 14294172, 21441258, 32161887, 42882516, 64323774, 128647548]

約数ペア:

[(1, 128647548), (2, 64323774), (3, 42882516), (4, 32161887), (6, 21441258), (9, 14294172), (12, 10720629), (18, 7147086), (27, 4764724), (36, 3573543), (54, 2382362), (108, 1191181), (769, 167292), (1538, 83646), (1549, 83052), (2307, 55764), (3076, 41823), (3098, 41526), (4614, 27882), (4647, 27684), (6196, 20763), (6921, 18588), (9228, 13941), (9294, 13842)]