2720653

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 3114496

約数和(自身を除く): 393843

約数列:

[1, 13, 31, 43, 157, 403, 559, 1333, 2041, 4867, 6751, 17329, 63271, 87763, 209281, 2720653]

約数ペア:

[(1, 2720653), (13, 209281), (31, 87763), (43, 63271), (157, 17329), (403, 6751), (559, 4867), (1333, 2041)]