2638644

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 6612480

約数和(自身を除く): 3973836

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 163, 213, 228, 284, 326, 426, 489, 652, 852, 978, 1349, 1956, 2698, 3097, 4047, 5396, 6194, 8094, 9291, 11573, 12388, 16188, 18582, 23146, 34719, 37164, 46292, 69438, 138876, 219887, 439774, 659661, 879548, 1319322, 2638644]

約数ペア:

[(1, 2638644), (2, 1319322), (3, 879548), (4, 659661), (6, 439774), (12, 219887), (19, 138876), (38, 69438), (57, 46292), (71, 37164), (76, 34719), (114, 23146), (142, 18582), (163, 16188), (213, 12388), (228, 11573), (284, 9291), (326, 8094), (426, 6194), (489, 5396), (652, 4047), (852, 3097), (978, 2698), (1349, 1956)]