81625696

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 166020624

約数和(自身を除く): 84394928

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 137, 172, 274, 344, 433, 548, 688, 866, 1096, 1376, 1732, 2192, 3464, 4384, 5891, 6928, 11782, 13856, 18619, 23564, 37238, 47128, 59321, 74476, 94256, 118642, 148952, 188512, 237284, 297904, 474568, 595808, 949136, 1898272, 2550803, 5101606, 10203212, 20406424, 40812848, 81625696]

約数ペア:

[(1, 81625696), (2, 40812848), (4, 20406424), (8, 10203212), (16, 5101606), (32, 2550803), (43, 1898272), (86, 949136), (137, 595808), (172, 474568), (274, 297904), (344, 237284), (433, 188512), (548, 148952), (688, 118642), (866, 94256), (1096, 74476), (1376, 59321), (1732, 47128), (2192, 37238), (3464, 23564), (4384, 18619), (5891, 13856), (6928, 11782)]