840884018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{254659}}^1$

素因数の和:254801

約数の個数: 16

約数和(自身を含む): 1369052160

約数和(自身を除く): 528168142

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 254659, 509318, 3310567, 6621134, 32341693, 64683386, 420442009, 840884018]

約数ペア:

[(1, 840884018), (2, 420442009), (13, 64683386), (26, 32341693), (127, 6621134), (254, 3310567), (1651, 509318), (3302, 254659)]