213157072

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{20719}}^1$

素因数の和:21370

約数の個数: 20

約数和(自身を含む): 413654080

約数和(自身を除く): 200497008

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 20719, 41438, 82876, 165752, 331504, 13322317, 26644634, 53289268, 106578536, 213157072]

約数ペア:

[(1, 213157072), (2, 106578536), (4, 53289268), (8, 26644634), (16, 13322317), (643, 331504), (1286, 165752), (2572, 82876), (5144, 41438), (10288, 20719)]