280121974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 471744000

約数和(自身を除く): 191622026

約数列:

[1, 2, 11, 22, 47, 94, 139, 278, 517, 1034, 1529, 1949, 3058, 3898, 6533, 13066, 21439, 42878, 71863, 91603, 143726, 183206, 270911, 541822, 1007633, 2015266, 2980021, 5960042, 12732817, 25465634, 140060987, 280121974]

約数ペア:

[(1, 280121974), (2, 140060987), (11, 25465634), (22, 12732817), (47, 5960042), (94, 2980021), (139, 2015266), (278, 1007633), (517, 541822), (1034, 270911), (1529, 183206), (1949, 143726), (3058, 91603), (3898, 71863), (6533, 42878), (13066, 21439)]