81805184

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{33637}}^1$

素因数の和:33670

約数の個数: 32

約数和(自身を含む): 171553800

約数和(自身を除く): 89748616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 33637, 67274, 134548, 269096, 538192, 639103, 1076384, 1278206, 2152768, 2556412, 4305536, 5112824, 10225648, 20451296, 40902592, 81805184]

約数ペア:

[(1, 81805184), (2, 40902592), (4, 20451296), (8, 10225648), (16, 5112824), (19, 4305536), (32, 2556412), (38, 2152768), (64, 1278206), (76, 1076384), (128, 639103), (152, 538192), (304, 269096), (608, 134548), (1216, 67274), (2432, 33637)]