31481461

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 7041419

約数列:

[1, 11, 19, 31, 43, 113, 209, 341, 473, 589, 817, 1243, 1333, 2147, 3503, 4859, 6479, 8987, 14663, 23617, 25327, 38533, 53449, 66557, 92321, 150629, 278597, 732127, 1015531, 1656919, 2861951, 31481461]

約数ペア:

[(1, 31481461), (11, 2861951), (19, 1656919), (31, 1015531), (43, 732127), (113, 278597), (209, 150629), (341, 92321), (473, 66557), (589, 53449), (817, 38533), (1243, 25327), (1333, 23617), (2147, 14663), (3503, 8987), (4859, 6479)]