81591008

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 166997376

約数和(自身を除く): 85406368

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 233, 248, 353, 466, 496, 706, 932, 992, 1412, 1864, 2824, 3728, 5648, 7223, 7456, 10943, 11296, 14446, 21886, 28892, 43772, 57784, 82249, 87544, 115568, 164498, 175088, 231136, 328996, 350176, 657992, 1315984, 2549719, 2631968, 5099438, 10198876, 20397752, 40795504, 81591008]

約数ペア:

[(1, 81591008), (2, 40795504), (4, 20397752), (8, 10198876), (16, 5099438), (31, 2631968), (32, 2549719), (62, 1315984), (124, 657992), (233, 350176), (248, 328996), (353, 231136), (466, 175088), (496, 164498), (706, 115568), (932, 87544), (992, 82249), (1412, 57784), (1864, 43772), (2824, 28892), (3728, 21886), (5648, 14446), (7223, 11296), (7456, 10943)]