686987138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{50971}}^1$

素因数の和:51289

約数の個数: 16

約数和(自身を含む): 1078975296

約数和(自身を除く): 391988158

約数列:

[1, 2, 23, 46, 293, 586, 6739, 13478, 50971, 101942, 1172333, 2344666, 14934503, 29869006, 343493569, 686987138]

約数ペア:

[(1, 686987138), (2, 343493569), (23, 29869006), (46, 14934503), (293, 2344666), (586, 1172333), (6739, 101942), (13478, 50971)]