28402339

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{773}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 33808320

約数和(自身を除く): 5405981

約数列:

[1, 7, 29, 181, 203, 773, 1267, 5249, 5411, 22417, 36743, 139913, 156919, 979391, 4057477, 28402339]

約数ペア:

[(1, 28402339), (7, 4057477), (29, 979391), (181, 156919), (203, 139913), (773, 36743), (1267, 22417), (5249, 5411)]