86890916

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{2297}}^1$

素因数の和:2508

約数の個数: 36

約数和(自身を含む): 177878988

約数和(自身を除く): 90988072

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 772, 1351, 2297, 2702, 4594, 5404, 9188, 9457, 16079, 18914, 32158, 37828, 64316, 112553, 225106, 443321, 450212, 886642, 1773284, 3103247, 6206494, 12412988, 21722729, 43445458, 86890916]

約数ペア:

[(1, 86890916), (2, 43445458), (4, 21722729), (7, 12412988), (14, 6206494), (28, 3103247), (49, 1773284), (98, 886642), (193, 450212), (196, 443321), (386, 225106), (772, 112553), (1351, 64316), (2297, 37828), (2702, 32158), (4594, 18914), (5404, 16079), (9188, 9457)]