1328931566

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{128201}}^1$

素因数の和:128347

約数の個数: 16

約数和(自身を含む): 2049180768

約数和(自身を除く): 720249202

約数列:

[1, 2, 71, 73, 142, 146, 5183, 10366, 128201, 256402, 9102271, 9358673, 18204542, 18717346, 664465783, 1328931566]

約数ペア:

[(1, 1328931566), (2, 664465783), (71, 18717346), (73, 18204542), (142, 9358673), (146, 9102271), (5183, 256402), (10366, 128201)]