138431212

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{811}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 245094080

約数和(自身を除く): 106662868

約数列:

[1, 2, 4, 139, 278, 307, 556, 614, 811, 1228, 1622, 3244, 42673, 85346, 112729, 170692, 225458, 248977, 450916, 497954, 995908, 34607803, 69215606, 138431212]

約数ペア:

[(1, 138431212), (2, 69215606), (4, 34607803), (139, 995908), (278, 497954), (307, 450916), (556, 248977), (614, 225458), (811, 170692), (1228, 112729), (1622, 85346), (3244, 42673)]