199802078

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{138559}}^1$

素因数の和:138671

約数の個数: 16

約数和(自身を含む): 345845760

約数和(自身を除く): 146043682

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 138559, 277118, 969913, 1939826, 14271577, 28543154, 99901039, 199802078]

約数ペア:

[(1, 199802078), (2, 99901039), (7, 28543154), (14, 14271577), (103, 1939826), (206, 969913), (721, 277118), (1442, 138559)]