1340785

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 1710720

約数和(自身を除く): 369935

約数列:

[1, 5, 23, 89, 115, 131, 445, 655, 2047, 3013, 10235, 11659, 15065, 58295, 268157, 1340785]

約数ペア:

[(1, 1340785), (5, 268157), (23, 58295), (89, 15065), (115, 11659), (131, 10235), (445, 3013), (655, 2047)]