81799424

素因数分解:

$2^8\times 7^2\times {\mathrm{6521}}^1$

素因数の和:6551

約数の個数: 54

約数和(自身を含む): 189966294

約数和(自身を除く): 108166870

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 6521, 12544, 13042, 26084, 45647, 52168, 91294, 104336, 182588, 208672, 319529, 365176, 417344, 639058, 730352, 834688, 1278116, 1460704, 1669376, 2556232, 2921408, 5112464, 5842816, 10224928, 11685632, 20449856, 40899712, 81799424]

約数ペア:

[(1, 81799424), (2, 40899712), (4, 20449856), (7, 11685632), (8, 10224928), (14, 5842816), (16, 5112464), (28, 2921408), (32, 2556232), (49, 1669376), (56, 1460704), (64, 1278116), (98, 834688), (112, 730352), (128, 639058), (196, 417344), (224, 365176), (256, 319529), (392, 208672), (448, 182588), (784, 104336), (896, 91294), (1568, 52168), (1792, 45647), (3136, 26084), (6272, 13042), (6521, 12544)]