620143774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 995904000

約数和(自身を除く): 375760226

約数列:

[1, 2, 19, 38, 113, 139, 226, 278, 1039, 2078, 2147, 2641, 4294, 5282, 15707, 19741, 31414, 39482, 117407, 144421, 234814, 288842, 298433, 596866, 2230733, 2743999, 4461466, 5487998, 16319573, 32639146, 310071887, 620143774]

約数ペア:

[(1, 620143774), (2, 310071887), (19, 32639146), (38, 16319573), (113, 5487998), (139, 4461466), (226, 2743999), (278, 2230733), (1039, 596866), (2078, 298433), (2147, 288842), (2641, 234814), (4294, 144421), (5282, 117407), (15707, 39482), (19741, 31414)]