20171249864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{318641}}^1$

素因数の和:318881

約数の個数: 32

約数和(自身を含む): 38944425240

約数和(自身を除く): 18773175376

約数列:

[1, 2, 4, 8, 41, 82, 164, 193, 328, 386, 772, 1544, 7913, 15826, 31652, 63304, 318641, 637282, 1274564, 2549128, 13064281, 26128562, 52257124, 61497713, 104514248, 122995426, 245990852, 491981704, 2521406233, 5042812466, 10085624932, 20171249864]

約数ペア:

[(1, 20171249864), (2, 10085624932), (4, 5042812466), (8, 2521406233), (41, 491981704), (82, 245990852), (164, 122995426), (193, 104514248), (328, 61497713), (386, 52257124), (772, 26128562), (1544, 13064281), (7913, 2549128), (15826, 1274564), (31652, 637282), (63304, 318641)]