239156351

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 291962880

約数和(自身を除く): 52806529

約数列:

[1, 7, 31, 47, 131, 179, 217, 329, 917, 1253, 1457, 4061, 5549, 6157, 8413, 10199, 23449, 28427, 38843, 43099, 58891, 164143, 190867, 260803, 726919, 1102103, 1336069, 1825621, 5088433, 7714721, 34165193, 239156351]

約数ペア:

[(1, 239156351), (7, 34165193), (31, 7714721), (47, 5088433), (131, 1825621), (179, 1336069), (217, 1102103), (329, 726919), (917, 260803), (1253, 190867), (1457, 164143), (4061, 58891), (5549, 43099), (6157, 38843), (8413, 28427), (10199, 23449)]