221074511

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^2$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 283081968

約数和(自身を除く): 62007457

約数列:

[1, 7, 17, 29, 47, 119, 203, 329, 493, 799, 841, 1363, 2209, 3451, 5593, 5887, 9541, 14297, 15463, 23171, 37553, 39527, 64061, 100079, 162197, 262871, 276689, 448427, 671959, 1089037, 1857769, 4703713, 7623259, 13004383, 31582073, 221074511]

約数ペア:

[(1, 221074511), (7, 31582073), (17, 13004383), (29, 7623259), (47, 4703713), (119, 1857769), (203, 1089037), (329, 671959), (493, 448427), (799, 276689), (841, 262871), (1363, 162197), (2209, 100079), (3451, 64061), (5593, 39527), (5887, 37553), (9541, 23171), (14297, 15463)]