129999805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{105263}}^1$

素因数の和:105300

約数の個数: 16

約数和(自身を含む): 176843520

約数和(自身を除く): 46843715

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 105263, 526315, 1368419, 1999997, 6842095, 9999985, 25999961, 129999805]

約数ペア:

[(1, 129999805), (5, 25999961), (13, 9999985), (19, 6842095), (65, 1999997), (95, 1368419), (247, 526315), (1235, 105263)]