2550871972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{20123}}^1$

素因数の和:20248

約数の個数: 48

約数和(自身を含む): 5057724672

約数和(自身を除く): 2506852700

約数列:

[1, 2, 4, 11, 22, 43, 44, 67, 86, 134, 172, 268, 473, 737, 946, 1474, 1892, 2881, 2948, 5762, 11524, 20123, 31691, 40246, 63382, 80492, 126764, 221353, 442706, 865289, 885412, 1348241, 1730578, 2696482, 3461156, 5392964, 9518179, 14830651, 19036358, 29661302, 38072716, 57974363, 59322604, 115948726, 231897452, 637717993, 1275435986, 2550871972]

約数ペア:

[(1, 2550871972), (2, 1275435986), (4, 637717993), (11, 231897452), (22, 115948726), (43, 59322604), (44, 57974363), (67, 38072716), (86, 29661302), (134, 19036358), (172, 14830651), (268, 9518179), (473, 5392964), (737, 3461156), (946, 2696482), (1474, 1730578), (1892, 1348241), (2881, 885412), (2948, 865289), (5762, 442706), (11524, 221353), (20123, 126764), (31691, 80492), (40246, 63382)]