142780078

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{216991}}^1$

素因数の和:217047

約数の個数: 16

約数和(自身を含む): 249974784

約数和(自身を除く): 107194706

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 216991, 433982, 1518937, 3037874, 10198577, 20397154, 71390039, 142780078]

約数ペア:

[(1, 142780078), (2, 71390039), (7, 20397154), (14, 10198577), (47, 3037874), (94, 1518937), (329, 433982), (658, 216991)]