203415128

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157931}}^1$

素因数の和:157967

約数の個数: 32

約数和(自身を含む): 454844160

約数和(自身を除く): 251429032

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 157931, 315862, 631724, 1105517, 1263448, 2211034, 3632413, 4422068, 7264826, 8844136, 14529652, 25426891, 29059304, 50853782, 101707564, 203415128]

約数ペア:

[(1, 203415128), (2, 101707564), (4, 50853782), (7, 29059304), (8, 25426891), (14, 14529652), (23, 8844136), (28, 7264826), (46, 4422068), (56, 3632413), (92, 2211034), (161, 1263448), (184, 1105517), (322, 631724), (644, 315862), (1288, 157931)]