15721444194

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{4087739}}^1$

素因数の和:4088385

約数の個数: 16

約数和(自身を含む): 31491948960

約数和(自身を除く): 15770504766

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 4087739, 8175478, 12263217, 24526434, 2620240699, 5240481398, 7860722097, 15721444194]

約数ペア:

[(1, 15721444194), (2, 7860722097), (3, 5240481398), (6, 2620240699), (641, 24526434), (1282, 12263217), (1923, 8175478), (3846, 4087739)]