81238784

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1$

素因数の和:1741

約数の個数: 72

約数和(自身を含む): 187418448

約数和(自身を除く): 106179664

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 128, 136, 176, 187, 256, 272, 352, 374, 544, 704, 748, 1088, 1408, 1496, 1697, 2176, 2816, 2992, 3394, 4352, 5984, 6788, 11968, 13576, 18667, 23936, 27152, 28849, 37334, 47872, 54304, 57698, 74668, 108608, 115396, 149336, 217216, 230792, 298672, 317339, 434432, 461584, 597344, 634678, 923168, 1194688, 1269356, 1846336, 2389376, 2538712, 3692672, 4778752, 5077424, 7385344, 10154848, 20309696, 40619392, 81238784]

約数ペア:

[(1, 81238784), (2, 40619392), (4, 20309696), (8, 10154848), (11, 7385344), (16, 5077424), (17, 4778752), (22, 3692672), (32, 2538712), (34, 2389376), (44, 1846336), (64, 1269356), (68, 1194688), (88, 923168), (128, 634678), (136, 597344), (176, 461584), (187, 434432), (256, 317339), (272, 298672), (352, 230792), (374, 217216), (544, 149336), (704, 115396), (748, 108608), (1088, 74668), (1408, 57698), (1496, 54304), (1697, 47872), (2176, 37334), (2816, 28849), (2992, 27152), (3394, 23936), (4352, 18667), (5984, 13576), (6788, 11968)]