205980976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{39857}}^1$

素因数の和:39901

約数の個数: 40

約数和(自身を含む): 444815280

約数和(自身を除く): 238834304

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 39857, 79714, 159428, 318856, 637712, 677569, 757283, 1355138, 1514566, 2710276, 3029132, 5420552, 6058264, 10841104, 12116528, 12873811, 25747622, 51495244, 102990488, 205980976]

約数ペア:

[(1, 205980976), (2, 102990488), (4, 51495244), (8, 25747622), (16, 12873811), (17, 12116528), (19, 10841104), (34, 6058264), (38, 5420552), (68, 3029132), (76, 2710276), (136, 1514566), (152, 1355138), (272, 757283), (304, 677569), (323, 637712), (646, 318856), (1292, 159428), (2584, 79714), (5168, 39857)]