1388894226

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{1767041}}^1$

素因数の和:1767177

約数の個数: 16

約数和(自身を含む): 2798994528

約数和(自身を除く): 1410100302

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 1767041, 3534082, 5301123, 10602246, 231482371, 462964742, 694447113, 1388894226]

約数ペア:

[(1, 1388894226), (2, 694447113), (3, 462964742), (6, 231482371), (131, 10602246), (262, 5301123), (393, 3534082), (786, 1767041)]