197821478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{44939}}^1$

素因数の和:45043

約数の個数: 16

約数和(自身を含む): 310625280

約数和(自身を除く): 112803802

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 44939, 89878, 1393109, 2786218, 3190669, 6381338, 98910739, 197821478]

約数ペア:

[(1, 197821478), (2, 98910739), (31, 6381338), (62, 3190669), (71, 2786218), (142, 1393109), (2201, 89878), (4402, 44939)]