81356288

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:767

約数の個数: 80

約数和(自身を含む): 185613120

約数和(自身を除く): 104256832

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 512, 544, 719, 832, 884, 1088, 1438, 1664, 1768, 2176, 2876, 3328, 3536, 4352, 5752, 6656, 7072, 8704, 9347, 11504, 12223, 14144, 18694, 23008, 24446, 28288, 37388, 46016, 48892, 56576, 74776, 92032, 97784, 113152, 149552, 158899, 184064, 195568, 299104, 317798, 368128, 391136, 598208, 635596, 782272, 1196416, 1271192, 1564544, 2392832, 2542384, 3129088, 4785664, 5084768, 6258176, 10169536, 20339072, 40678144, 81356288]

約数ペア:

[(1, 81356288), (2, 40678144), (4, 20339072), (8, 10169536), (13, 6258176), (16, 5084768), (17, 4785664), (26, 3129088), (32, 2542384), (34, 2392832), (52, 1564544), (64, 1271192), (68, 1196416), (104, 782272), (128, 635596), (136, 598208), (208, 391136), (221, 368128), (256, 317798), (272, 299104), (416, 195568), (442, 184064), (512, 158899), (544, 149552), (719, 113152), (832, 97784), (884, 92032), (1088, 74776), (1438, 56576), (1664, 48892), (1768, 46016), (2176, 37388), (2876, 28288), (3328, 24446), (3536, 23008), (4352, 18694), (5752, 14144), (6656, 12223), (7072, 11504), (8704, 9347)]