28398045370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39997247}}^1$

素因数の和:39997325

約数の個数: 16

約数和(自身を含む): 51836433408

約数和(自身を除く): 23438388038

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39997247, 79994494, 199986235, 399972470, 2839804537, 5679609074, 14199022685, 28398045370]

約数ペア:

[(1, 28398045370), (2, 14199022685), (5, 5679609074), (10, 2839804537), (71, 399972470), (142, 199986235), (355, 79994494), (710, 39997247)]